Solve Quadratic Equations Using Algebra

Solve Quadratic Equations Using Algebra

9th Grade

20 Qs

quiz-placeholder

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Solve Quadratic Equations Using Algebra

Solve Quadratic Equations Using Algebra

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSA-REI.B.4B, 8.EE.C.7B

Standards-aligned

Created by

Anthony Clark

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Determine the values of
a, b, and c for
the quadratic equation: 
4x2 – 8x = 3

A.

a = 4, b = -8, c = 3

B.

a = 4, b =-8, c =-3

C.

a = 4, b = 8, c = 3

D.

a = 4, b = 8, c = -3

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

What is the correct order for solving quadratic equations by completing the square.

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

1 min • 3 pts

Which of the following is an example of quadratic equations?

x + 9 = 0

x + y =12

x3 + 5x2 - 14 =0

x2 - 2x = 7

Tags

CCSS.8.EE.C.7B

4.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

What is step one in using the quadratic formula to solve a problem?

Identify A, B, and C

Plug A, B, and C into the formula

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

The quadratic function y = -2x2 + 4x + 6 is pictured. What are the solutions to the equation 7.5 = -2x2 + 4x + 6?

x = 0.5

x = 1.5

x = 1

x = 8

x = 6

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Select the solutions to the equation

4x2 + 11x + 7 = 0

x = - 1.75

x = 6

x = - 1

x = 1

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

What are the solutions to the quadratic equation?

x = -4

x = 1

x = -1

x = 2

x = 4

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