AnswersVOA Math MN-Algebra I with Quadratics CR 4B 4CSolving Quadratic Equations: Zero Product Property
Solving Quadratic Equations: Zero Product Property Answers
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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).2
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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 – 213
Which function has zeros at x = 10 and x = 2?
A
f(x) = x2 – 12x + 20B
f(x) = x2 – 20x + 12C
f(x) = 5x2 + 40x + 60D
f(x) = 5x2 + 60x + 1005
An equation has solutions of m = –5 and m = 9. Which could be the equation?
A
(m + 5)(m – 9) = 0B
(m – 5)(m + 9) = 0C
m2 – 5m + 9 = 0D
m2 + 5m – 9 = 06
What are the solutions of 3x2 + 14x + 16 = 0?
A
x = , –2
B
x = –2,
C
x = , 2
D
x = , 2
7
The only solution of the equation x2 + bx + 16 = 0 is x = 4. What is the value of b?
A
b = –16B
b = –8C
b = 8D
b = 168
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 = 59
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)10
What are the solutions to the equation 0 = x2 – x –6? Select two options
A
x = –3B
x = –2C
x = 0D
x = 2E
x = 3Did you find these answers helpful?
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