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Problems Involving Quadratic Equations

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Problems Involving Quadratic Equations
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The standard form of the quadratic equation x ( x + 1 ) = 72 is

2x + x + 72 = 0

2x + x - 72 = 0

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The standard form of the quadratic equation x (x + 4) = 45 is?

x + 4x + 45 = 0

x + 4x - 45 = 0

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The length of the school fishpond is 4 meters longer than its width. If its area is 45 square meters, what are the dimensions of the fishpond?

In the problem above, what is being asked?

The length of the fishpond.

The width of the fishpond.

The length and width of the fishpond.

The area of the fishpond.

Answer explanation

We are asked to find the dimension of the fishpond, it means we need to determine both the length and width.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve the equation by factoring.

x = {3,8}

x = {-3,8}

x = {3,-8}

x = {-3,-8}

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve the equation by factoring.

x = {1}

x = {-1}

x = { }

no solution

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve the equation by factoring.

x = {-5,-3}

x = {5,-3}

x = {-5,3}

x = {5,3}

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

How many solutions can a quadratic have?

1 solution

3 solutions

0 solutions

2 solutions

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