Quadratic Integer Problems

Quadratic Integer Problems

9th Grade

20 Qs

quiz-placeholder

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Quadratic Integer Problems

Quadratic Integer Problems

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSA-REI.B.4B

Standards-aligned

Created by

Anthony Clark

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by factoring: x2 - 9x + 20 = 0

x = -4 and x = -5

x = 20 and x = -9

x = 4 and x = 5

x = -4 and x = 5

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Solve by factoring: x2 + 3x - 18 = 0

x = -3 and x = 6

x = 3 and x = -6

x = -9 and x = 2

x = 9 and x = -2

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If you square 5 more than a positive number, the result is 88 more than 12 times the number.  Find the numbers.

-9, 7

√75

9, -7

15, -5

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose that the equation V = 20.8x2 – 458.3x + 3,500 represents the value of a car from 1964 to 2002. What year did the car have the least value? (x = 0 in 1964) 

1965

1970

1975

1980

5.

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

6.

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

7.

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

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