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fff Without graphing, find out how many xintercepts the given function has. y = 0.8x^{2} + 8x + 20 fff

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fff Solve the following equation using the quadratic formula.  x^{2} + 5x  8 = 0 fff

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fff Solve the following equation using the quadratic formula. x^{2} + 9x + 8 = 0 fff

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fff Solve the following equation using the quadratic formula. x^{2} = 9x  4 fff

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fff Solve the following equation using the quadratic formula. x^{2} + 2x  4 = 0 fff

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fff Solve the following equation using the quadratic formula. x^{2} = 12x  40 fff

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fff Solve the following equation using the quadratic formula. x^{2}  8x + 18 = 0 D

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D Solve the equation using quadratic formula. (x + 9)19 = 9(x + 8) D

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D Use the discriminant of the given function to predict how many solutions it has. Also check if the solutions are real or imaginary. 9x^{2}  5x + 8 = 0 D

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D Use the discriminant of the given function to predict how many solutions it has. Also check if the solutions are real or imaginary. 9x^{2} + 17x  6 = 0 D

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D Use the discriminant of the given function to predict how many solutions it has. Also check if the solutions are real or imaginary. 4x^{2} + 12x + 9 = 0 D

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D Calculate the value of m if 49x^{2} + mx + 64 = 0 has one real solution. D

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D Calculate the value of p if x^{2} + 10x + p = 0 has one real solution. D

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D Form a quadratic equation to find the area of a square that has area equal to the area as the circle shown. [a = 13.] D

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D Without graphing, find out how many xintercepts the given function has. y = x^{2} + 6  11(x + 5) D

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D Frame a quadratic equation in x, whose solutions are  6 ± 6i. D

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D Joe throws a stick straight up in the air from the ground. The function h =  14t^{2} + 42t models the height h (in feet) of the stick above the ground after t seconds. Will the stick ever reach a height of 21 ft? D

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D Calculate the value of m if 9x^{2} + mx + 9 = 0 has two real solutions. D

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D Calculate the value of m if 4x^{2} + mx + 25 = 0 has two imaginary solutions. D

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D Solve the following equation using the quadratic formula. x^{2} = 8x  20 D

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D Solve the following equation using the quadratic formula. x^{2}  4x + 9 = 0 D

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D Solve the equation using quadratic formula. (x + 6)13 = 6(x + 5) D

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D Use the discriminant of the given function to predict how many solutions it has. Also check if the solutions are real or imaginary. 36x^{2} + 132x + 121 = 0 D

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D Calculate the value of m if 16x^{2} + mx + 25 = 0 has one real solution. D

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D Calculate the value of p if x^{2} + 6x + p = 0 has one real solution. D

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D Without graphing, find out how many xintercepts the given function has. y = x^{2} + 5  10(x + 2) D

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D Calculate the value of m if 25x^{2} + mx + 25 = 0 has two real solutions. D

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D Solve the following equation using the quadratic formula. x^{2} + 12x  10 = 0 D

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D Solve the following equation using the quadratic formula. x^{2} = 6x  13 D

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D Solve the following equation using the quadratic formula. x^{2}  4x + 15 = 0 D

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D Solve the equation using quadratic formula. (x + 5)11 = 5(x + 4) D

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D Match the function with its graph, using the discriminant y = 2x^{2} + 4x + 3. D

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D Match the function with its graph, using the discriminant y = 2x^{2}  4x + 2. D

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D Use the discriminant of the given function to predict how many solutions it has. Also check if the solutions are real or imaginary. 5x^{2}  5x + 4 = 0 D

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D Use the discriminant of the given function to predict how many solutions it has. Also check if the solutions are real or imaginary. 7x^{2} + 13x  5 = 0 D

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D Use the discriminant of the given function to predict how many solutions it has. Also check if the solutions are real or imaginary. 16x^{2} + 56x + 49 = 0 D

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D Calculate the value of m if 4x^{2} + mx + 9 = 0 has one real solution. D

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D Calculate the value of p if x^{2} + 8x + p = 0 has one real solution. D

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D Form a quadratic equation to find the area of a square that has area equal to the area as the circle shown. [a = 8.] D

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D Without graphing, find out how many xintercepts the given function has. y = x^{2} + 8  11(x + 2) D

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D Frame a quadratic equation in x, whose solutions are  8 ± 2i. D

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D The area of a rectangle is 64 cm^{2} and its perimeter if 64 cm. Find the dimensions of the rectangle to the nearest hundredth. D

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D Ed throws a stick straight up in the air from the ground. The function h =  20t^{2} + 70t models the height h (in feet) of the stick above the ground after t seconds. Will the stick ever reach a height of 30 ft? D

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D Tim throws a stick straight up in the air from the ground. The function h =  16t^{2} + 48t models the height h (in feet) of the stick above the ground after t seconds. How many seconds does it take the stick to reach a height of 24 ft? D

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D Check if the statement is true or false. "A quadratic equation with real coefficients cannot have exactly one imaginary root." D

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D Calculate the value of m if 36x^{2} + mx + 9 = 0 has two real solutions. D

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D Calculate the value of m if 4x^{2} + mx + 4 = 0 has two imaginary solutions. D

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D Solve the following equation using the quadratic formula. x^{2} + 5x + 4 = 0 D

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D Match the function with its graph, using the discriminant y = 4x^{2}  2. D

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D Solve the following equation using the quadratic formula.  x^{2} + 3x  5 = 0 D

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D Solve the following equation using the quadratic formula. x^{2} = 11x  5 D

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D The number of quadratic equations which are unaltered by the squaring of their roots is D

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D If α, β are the roots of x^{2}  6x + a = 0 and γ, δ are the roots of x^{2}  150x + b = 0 and the numbers α, β, γ and δ (in order) form an increasing G.P then ________ D

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D If one of the root of 9x^{2} + 19x + k = 0 is the reciprocal of the other then k = ______ D

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D Both the roots of the equation (x  a)(x  b) + (x  b)(x  c) + (x  c)(x  a) = 0 are always _________ D

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D If the equation k(3x^{2} + 3) + rx + 4x^{2}  8 = 0 and 3k(2x^{2} + 2) + px + 8x^{2}  16 = 0 have both the roots common then the value of 2r  p is ______ D

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D The number of roots of the equation 4 + x  2 = x is ________ D

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