Unit 2 Equations Study Guide

What is the solution to 4 (2x + 3 ) = 3 ( x + 9 )?

• 7

• 1

• 3

• 0

The Marriott charges a flat fee of $180 to rent a room for a birthday bash and $3 for every person who attends. If they collected a total of $546, how many people attended the birthday bash?

• 242

• 182

• 60

• 122

How many solutions does 5 ( x + 2 ) = 5x - 10 have?

• An infinitely many solutions

• 1

• 2
• None

Mrs. Montalvo-Williams correctly solved a linear equation and the last line of her work was 3 = 3

Which statement best describes the solution to the equation Mrs. Montalvo-Williams solved?

• The solution is not correct

• The only solution is 3

• The equation has an infinitely many soltuions

• The equation has no solution

Using the Desmos graphing calculator, find the LCM for the numbers 5 and 2.

• Erase the fraction and pretend it is not there

• Multiply both sides of the equation by 5

• Multiply both sides of the equation by -5

Teresa is one-fifth of Rebecca's age. If the sum of their ages is 36, how old is Teresa?

Hint: Let x = Rebecca's age; translate the problem into an equation, solve for x.

Which of the following statements is correct?

• Teresa is 72

• Teresa is 36

• Teresa is 6

• Teresa is 25