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Solving Quadratic Equations: Zero Product Property Answers

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x =

A
–10/3
B
–4/3
C
2/3
D
5/3
81700

⇒ 1.25

Answer:

81700

86850

x =

A
–5
B
–2
C
1
D
2
86851

What are the roots of y = x2 – 3x – 10?

A
–3 and –10
B
–2 and 5
C
2 and –5
D
3 and 10
86853

Which statements describe the graph of y = 4x2 + 28x + 49? Check all that apply.The graph has two x-intercepts because 4x2 + 28x + 49 has two different factors.The equation 2x + 7 = 0 can be used to find a zero of the function.The equation (2x – 7)2 = 0 can be used to find the y-intercept.The graph has a double root at x = .The graph intersects the y-axis at y = 49.

Question illustration
A
The graph has two x-intercepts because 4x2 + 28x + 49 has two different factors.
B
The equation 2x + 7 = 0 can be used to find a zero of the function.
C
The equation (2x – 7)2 = 0 can be used to find the y-intercept.
D
The graph has a double root at x = .
Option D
E
The graph intersects the y-axis at y = 49.
86854

What did you include in your response? Check all that apply.

A
The x-intercepts are b and –b.
B
The graph has opposite x-intercepts.
C
The graph is symmetrical over the y-axis.
D
The y-intercept is at –b2.

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