# 9-3 And 9-4: Solving Quadratic Equations By Graphing And By Factoring

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Courtney Frank
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• 1.

### What is the solution of

• A.

-8

• B.

8

• C.
• D.

No Solution

D. No Solution
Explanation
The given equation is -8 = 8, which is not true. Therefore, there is no solution to this equation.

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• 2.

### One root of the quadratic equation whose related function is graphed lies between which consecutive integers?

• A.

-4 and -3

• B.

0 and 1

• C.

-5 and -4

• D.

-3 and -2

A. -4 and -3
Explanation
The correct answer is -4 and -3 because the graph of a quadratic function intersects the x-axis at the x-coordinate(s) of its roots. Since the question states that one root lies between -4 and -3, it means that the graph intersects the x-axis between these two consecutive integers.

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• 3.

### What are the zeros in the function  ?

• A.

{-11, -5}

• B.

{17}s

• C.
• D.

{5, 11}

D. {5, 11}
Explanation
The zeros of a function are the values of x for which the function equals zero. In this case, the zeros of the function are 5 and 11, as these are the values of x that make the function equal to zero.

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• 4.

### Find the x-intercepts in the function

• A.

{7, 8}

• B.

{-7, -8}

• C.

{-7, 8}

• D.

{7, -8}

A. {7, 8}
Explanation
The x-intercepts of a function are the points where the graph of the function intersects the x-axis. In this case, the x-intercepts are given as {7, 8}. This means that the function crosses the x-axis at the points (7, 0) and (8, 0).

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• 5.

### Solve

C.

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• Current Version
• Mar 20, 2023
Quiz Edited by
ProProfs Editorial Team
• Feb 23, 2015
Quiz Created by
Courtney Frank

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