Algebra I Unit 3 Review

Solve the following quadratic equation.

• x = -12 and x = 20

• x = -12 and x = -20

• x = 12 and x = 20

• x = 12 and x = -20

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation.

• x = 17 and x = 7

• x = -17 and x = 7

• x = 17 and x = -7

• x = -17 and x = -7

Tags

CCSS.HSA-REI.B.4B

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• -11

• 11

Susie is planning to invest some money in a savings account which pays 5% compounded continuously. Consider the following formula, where A is the ending account balance after t years, P is the initial amount of money invested, and r is the interest rate.

A = P(2.71) ^rt

About how much money would she have to invest in the savings account in order for it to have a balance of $10,000 after 19 years?

• $1,504.38

• $3,878.64

• $25,782.25

• $3,690.04

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Solve the following inequality for x.

-8x + 5 > -19

• x < 1.75

• x > 3

• x > 1.75

• x < 3

Tags

CCSS.7.EE.B.4B

Solve the following inequality for x.

3 + 7x < 6x

• x < 0.23

• x > 0.23

• x < -3

• x > -3

Solve the following inequality for x.

4.5x + 2 > 15.5

• x < 3.89

• x < 3

• x >3.89

• x > 3

Tags

CCSS.7.EE.B.4B

Solve the inequality below for x.

11x - 7 < 4x + 28

• x>3

• x<5

• x<3

• x>5