Solving Quadratic Equations: Zero Product Property

8 September 2022
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10 test answers

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question
Which function has zeros at x = 10 and x = 2?
answer
f(x) = x2 - 12x + 20
question
The function g(x) = x2 - 10x + 24 is graphed on a coordinate plane. Where will the function cross the x-axis?
answer
(4, 0) and (6, 0)
question
One of the solutions to x2 βˆ’ 2x βˆ’ 15 = 0 is x = βˆ’3. What is the other solution?
answer
x = 5
question
The roots of the function f(x) = x2 - 2x - 3 are shown. What is the missing number? x = -1 and x =
answer
3
question
Blake knows that one of the solutions to x2 - 6x + 8 = 0 is x = 2. What is the other solution?
answer
x = 4
question
Which statement describes the graph of f(x) = 4x2 + 20x + 25?
answer
The graph touches the x-axis at (-2.5, 0).
question
A function f(x) has x-intercepts of -3 and -5. What is the constant term in the function? f(x) = x2 + 8x +
answer
15
question
An equation has solutions of m = -5 and m = 9. Which could be the equation?
answer
(m + 5)(m - 9) = 0
question
Nina knows that the average of the x-intercepts represents the line of symmetry for a quadratic function through the x-axis. Which equation represents the average of the x-intercepts for f(x) = 4x2 - 24x + 20?
answer
1+5/2 = 3
question
Which function has real zeros at x = 3 and x = 7?
answer
f(x) = x2 - 10x + 21