Unit 1 Exam Review

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Unit 1 Exam Review
2
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?

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Writing and Solving Equations

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

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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.

5
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.

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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.

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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?

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Writing and Solving Proportions/Rates

• Solve the proportion below.
• 4 x 3
• 18 32

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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?

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Unit Conversions/Dimensional Analysis

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

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Unit Conversions/Dimensional Analysis

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

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Writing and Solving Inequalities

• If 4x 28 lt 52, solve for x.

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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
  McDonalds and Emily is 2 miles from McDonalds.

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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?

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Solving Literal Equations

• Solve the equation below for L.
• P L W 2B.

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Solving Literal Equations

• Solve the equation -3x 8y 15 for y.