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fff Find the value of the discriminant for the equation - 5x2 + 10x - 5 = 0. fff View Solution
fff How many real solutions does the equation - e2 - 5e - 26 = 0, have?
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fff Use discriminant to find the number of solutions to the equation 3x2 - 2x - 3 = 0. fff View Solution
fff How many solutions does the quadratic equation 4x - 2 = 2x2 have? fff View Solution
fff How many real solutions does the equation z2 - 8z + 4 = 0, have? fff View Solution
fff 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? fff View Solution
fff 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? fff View Solution
fff 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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fff How many real solutions does the equation 2f 2 - 4f + 2 = 0, have?
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fff Find the number of x-intercepts of the graph y = x2 + 8x + 16. fff View Solution
fff Find the number of x-intercepts of the graph y = - 4x2 + 3x - 4.
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fff Determine the number of times the graph y = 7x2 - 4x + 3 intersects the x-axis.
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fff Determine the number of times the graph y = - 13x2 + 4x + 4, intersects the x-axis. fff View Solution
fff Determine the number of times the graph, y = - x2 - 2x - 1, intersects the x-axis.
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fff 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? fff View Solution
fff 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. fff View Solution
fff In how many points does the graph of y = 3x2 + 4x - 3 intersect the x - axis?
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fff In how many points does the graph y = 3x2 + 6x + 3 intersect the x-axis? fff View Solution
fff How many real solutions does the equation - e2 - 5e - 11 = 0, have?
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fff How many solutions does the quadratic equation 6x - 3 = 3x2 have? fff View Solution
fff How many real solutions does the equation z2 - 20z + 3 = 0, have? fff View Solution
fff Find the value of the discriminant for the equation - 2x2 + 4x - 2 = 0. fff View Solution
fff Use discriminant to find the number of solutions to the equation 3x2 - 3x - 3 = 0. fff View Solution
fff Which of the following can be found from the discriminant, b2 - 4ac of a quadratic equation? fff View Solution
fff 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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fff If the discriminant, b2 - 4ac of a quadratic equation is positive, then which of the following statements is true? fff View Solution
fff If the discriminant, b2 - 4ac of a quadratic equation is equal to zero, then which of the following statements is true? fff View Solution
fff 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. fff View Solution
fff If the discriminant, b2 - 4ac of a quadratic equation is negative, then which of the following statements is true? fff View Solution
fff How many real solutions does the equation 4f 2 - 8f + 4 = 0, have?
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fff Find the number of x-intercepts of the graph y = x2 + 10x + 25. fff View Solution
fff Find the number of x-intercepts of the graph y = - 10x2 + 3x - 10.
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fff Determine the number of times the graph y = 7x2 - 5x + 4 intersects the x-axis.
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fff Determine the number of times the graph y = - 11x2 + 5x + 5, intersects the x-axis. fff View Solution
fff Determine the number of times the graph, y = - x2 - 6x - 9, intersects the x-axis.
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fff 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? fff View Solution
fff 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? fff View Solution
fff 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? fff View Solution
fff In how many points does the graph of y = 2x2 + 3x - 2 intersect the x - axis?
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fff In how many points does the graph y = 5x2 + 10x + 5 intersect the x-axis? fff View Solution
fff Which of the following can be the discriminant of the graph of the quadratic equation? fff View Solution
fff Which of the following can be the discriminant of the graph of the quadratic equation?
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fff Which of the following can be the discriminant of the graph of the quadratic equation?
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fff For what value of c such that the equation x2 + 8x + c = 0 will have two solutions?
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fff Which number is not possible for the area of rectangle shown in figure?
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fff Is it possible for the rectangle to have a perimeter of 60 inches and an area of 224 square inches?
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fff For what value of c such that the equation 2x2 - 8x + c = 0 will have one solution.
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fff For what value of c such that the equation 2x2 - 5x + c = 0 will have no real solution. fff View Solution
fff 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. fff View Solution