Unit 1 Exam Review

Writing and Solving Equations

You sign up for a cell phone plan that charges a flat fee for calling and a rate per text message. This situation can be modeled by the equation y = $0.15x + 45.

a. What does the $0.15 represent? b. What does the 45 represent? c. What would your bill be if you sent 185

texts?

Writing and Solving Equations

The sum of 52 and four times a number is 100. Find the number.

Writing and Solving Equations

Brittany makes $20 each day she babysits. She has already made $160 this month. Her goal is to save at least $340 this month. Write and solve an inequality to find the number of days Brittany needs to babysit to reach her goal.

Writing and Solving Equations

The length of a rectangle is 3 more than 2 times its width. The perimeter of the rectangle is 36. Find the dimensions of the rectangle.

Writing and Solving Equations

The sum of two consecutive integers is 93. Find the numbers.

The sum of two consecutive even integers is 106. Find the numbers.

Writing and Solving Equations

Ms. Frailey wants to plant 54 flowers in a garden. Each row can hold 13 flowers. How many rows must Ms. Frailey have in her garden in order to plant all of the flowers?

Writing and Solving Proportions/Rates

Solve the proportion below. 4 = x + 318 32

Writing and Solving Proportions/Rates

A research company found that 2 out of every 10 high school students have smoked a cigarette before. If SEHS has 1,220 students, how many have smoked a cigarette before?

Unit Conversions/Dimensional Analysis

On her next birthday Ms. Frailey will be 25 years old. How many minutes old will Ms. Frailey be?

Unit Conversions/Dimensional Analysis

Ms. Frailey is driving 70 miles per hour. How fast is Ms. Frailey driving in feet per second?

Writing and Solving Inequalities

If 4x + 28 < 52, solve for x.

Writing and Solving Inequalities

Write an inequality in terms of d to describe all the possible distances that separate Suzanne and Emily if Suzanne is located 10 miles from McDonald’s and Emily is 2 miles from McDonald’s.

Writing and Solving Inequalities

Jodi received scores of 8.2, 7.4, 9.1, 8.8, 8.6, and 8.5 from the first six judges at the gymnastics finals. What score does she need to receive from the last judge in order to have an average of 8.6?

Solving Literal Equations

Solve the equation below for L.P = L + W – 2B.

Solving Literal Equations

Solve the equation -3x + 8y = 15 for y.