Solving Quadratic Equations: Zero Product Property Answers
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1
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Which function has real zeros at x = 3 and x = 7?
A
f(x) = x2 + 4x – 21B
f(x) = x2 – 4x – 21C
f(x) = x2 – 10x + 21D
f(x) = x2 – 10x – 212
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The function g(x) = x2 – 10x + 24 is graphed on a coordinate plane. Where will the function cross the x-axis?
A
(–6, 0) and (–4, 0)B
(–2, 0) and (–12, 0)C
(4, 0) and (6, 0)D
(12, 0) and (2, 0)
4
What are the solutions to the equation 0 = x2 – x –6? Select two optionsx = –3x = –2x = 0x = 2x = 3
A
x = –3B
x = –2C
x = 0D
x = 2E
x = 35
Which equation is true for x = –6 and x = 2?
A
2x2 – 16x + 12 = 0B
2x2 + 8x – 24 = 0C
3x2 – 4x – 12 = 0D
3x2 + 12x + 36 = 06
One of the solutions to x2 − 2x − 15 = 0 is x = −3. What is the other solution?
A
x = −5B
x = −1C
x = 1D
x = 57
Which statement describes the graph of f(x) = 4x2 + 20x + 25?
A
The graph does not intersect the x-axis.B
The graph touches the x-axis at (–2.5, 0).C
The graph intersects the x-axis at (–0.4, 0) and (0.4, 0).D
The graph intersects the x-axis at (2, 0) and (5, 0).8
The function h(x) is quadratic and h(3) = h(–10) = 0. Which could represent h(x)?
A
h(x) = x2 – 13x – 30B
h(x) = x2 – 7x – 30C
h(x) = 2x2 + 26x – 60D
h(x) = 2x2 + 14x – 60Did you find these answers helpful?
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