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f   Find the value of the discriminant for the equation - 5x2 + 10x - 5 = 0.   f View Solution
f   How many real solutions does the equation - e2 - 5e - 26 = 0, have?
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f   Use discriminant to find the number of solutions to the equation 3x2 - 2x - 3 = 0.   f View Solution
f   How many solutions does the quadratic equation 4x - 2 = 2x2 have?   f View Solution
f   How many real solutions does the equation z2 - 8z + 4 = 0, have?   f View Solution
f   A monkey jumps with an initial velocity of 12 feet per second. To reach a branch of a tree, it has to jump 8 feet high. The equation that models the height of its jump is h = - 16t2 + 12t + 7. Can the monkey jump on to the branch?   f View Solution
f   A rope is tied between two buildings and is 40 feet above the ground. Chris tries to throw a stone over the rope. The distance of the stone from the ground is modeled by the equation h = - 16t2 + 13t + 6. Will Chris be able to throw the stone over the rope?   f View Solution
f   Frank wants to throw a stick onto the top of his apartment, which is 24 ft high. He throws the stick with an initial velocity of 7 feet per second. The height of the stick at time t is modeled by the equation h = - 16t2 + 7t + 10. Will the stick reach the top of Frank's apartment?
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f   How many real solutions does the equation 2f 2 - 4f + 2 = 0, have?
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f   Find the number of x-intercepts of the graph y = x2 + 8x + 16.   f View Solution
f   Find the number of x-intercepts of the graph y = - 4x2 + 3x - 4.
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f   Determine the number of times the graph y = 7x2 - 4x + 3 intersects the x-axis.
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f   Determine the number of times the graph y = - 13x2 + 4x + 4, intersects the x-axis.   f View Solution
f   Determine the number of times the graph, y = - x2 - 2x - 1, intersects the x-axis.
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f   The area of the garden in Mr.William's house is modeled by the equation A = - 3x2 + 7x + 84. For which of the following values of x, will the garden have an area of 86 square feet?   f View Solution
f   Tommy can jump with an initial velocity of 2 feet per second. To catch the ball hit by a baseball hitter, he has to jump 5 feet. The equation for the height of his jump is h = - 16t2 + 2t. Use the discriminant to find whether he can catch the ball.   f View Solution
f   In how many points does the graph of y = 3x2 + 4x - 3 intersect the x - axis?
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f   In how many points does the graph y = 3x2 + 6x + 3 intersect the x-axis?   f View Solution
f   How many real solutions does the equation - e2 - 5e - 11 = 0, have?
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f   How many solutions does the quadratic equation 6x - 3 = 3x2 have?   f View Solution
f   How many real solutions does the equation z2 - 20z + 3 = 0, have?   f View Solution
f   Find the value of the discriminant for the equation - 2x2 + 4x - 2 = 0.   f View Solution
f   Use discriminant to find the number of solutions to the equation 3x2 - 3x - 3 = 0.   f View Solution
f   Which of the following can be found from the discriminant, b2 - 4ac of a quadratic equation?   f View Solution
f   Ethan wants to throw a stick onto the top of his apartment, which is 24 ft high. He throws the stick with an initial velocity of 7 feet per second. The height of the stick at time t is modeled by the equation h = - 16t2 + 7t + 10. Will the stick reach the top of Ethan's apartment?
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f   If the discriminant, b2 - 4ac of a quadratic equation is positive, then which of the following statements is true?   f View Solution
f   If the discriminant, b2 - 4ac of a quadratic equation is equal to zero, then which of the following statements is true?   f View Solution
f   If the discriminant, b2 - 4ac of a quadratic equation is negative, then which of the following statements is true?   f View Solution
f   How many real solutions does the equation 4f 2 - 8f + 4 = 0, have?
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f   Find the number of x-intercepts of the graph y = x2 + 10x + 25.   f View Solution
f   Find the number of x-intercepts of the graph y = - 10x2 + 3x - 10.
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f   Determine the number of times the graph y = 7x2 - 5x + 4 intersects the x-axis.
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f   Jake can jump with an initial velocity of 3 feet per second. To catch the ball hit by a baseball hitter, he has to jump 4 feet. The equation for the height of his jump is h = - 16t2 + 3t. Use the discriminant to find whether he can catch the ball.   f View Solution
f   Which of the following can be the discriminant of the graph of the quadratic equation?   f View Solution
f   Which of the following can be the discriminant of the graph of the quadratic equation?
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f   Determine the number of times the graph y = - 11x2 + 5x + 5, intersects the x-axis.   f View Solution
f   Which of the following can be the discriminant of the graph of the quadratic equation?
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f   Determine the number of times the graph, y = - x2 - 6x - 9, intersects the x-axis.
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f   The area of the garden in Mr.Andrew's house is modeled by the equation A = - 3x2 + 7x + 70. For which of the following values of x, will the garden have an area of 72 square feet?   f View Solution
f   A monkey jumps with an initial velocity of 13 feet per second. To reach a branch of a tree, it has to jump 8 feet high. The equation that models the height of its jump is h = - 16t2 + 13t + 6. Can the monkey jump on to the branch?   f View Solution
f   A rope is tied between two buildings and is 40 feet above the ground. Bill tries to throw a stone over the rope. The distance of the stone from the ground is modeled by the equation h = - 16t2 + 12t + 6. Will Bill be able to throw the stone over the rope?   f View Solution
f   In how many points does the graph of y = 2x2 + 3x - 2 intersect the x - axis?
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f   In how many points does the graph y = 5x2 + 10x + 5 intersect the x-axis?   f View Solution
f   For what value of c such that the equation x2 + 8x + c = 0 will have two solutions?
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f   Which number is not possible for the area of rectangle shown in figure?
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f   Is it possible for the rectangle to have a perimeter of 60 inches and an area of 224 square inches?
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f   For what value of c such that the equation 2x2 - 8x + c = 0 will have one solution.
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f   For what value of c such that the equation 2x2 - 5x + c = 0 will have no real solution.   f View Solution
f   Sam started a company in 1992. His profit in thousands of dollars can be estimated by the model P = 8.34t2 - 3.52t + 10.24 where 't' represents the number of years since 1992. Using this model, find out in which year approximately his profit becomes $1,170,000.   f View Solution