Equations/Inequalities

Which of the following does not represent an equation?

• Twice a number is six

• x + 6 = 10

• 6 years older than Mike

• -9 + 2 = -7

Laurie rode her bike 17.5 miles in 2 hours. She uses this equation to represent the relationship between her time and distance.

2x = 17.5

What does the solution x= 8.75 represent?

• The distance Laurie rode her bike.

• The time Laurie spent riding her bike.

• The distance Laurie traveled per hour.

• Not here

When you graph an inequality, you used a closed dot when you use which symbols?

• ≤, ≥ 
• <, >

Which inequality matches the graph?

• A
• B
• C
• D

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3

Which of the following is an expression?

• 6x + 2x = 6
• 10 = 5x
• 2x + 6x - 10
• 6x² + 10 = 25

Solve for p:

6p - 5 =13

• 12

• 15

• 3

• -3

Javier scored 214.8 playing the first round of a video game. His sister played the second round and scored 198.4 points. Using the equation x-214.8 = 198.4, which of the following best represents the total points scored after the second round?

• 16.4points

• 302.2 points

• 313.2 points

• 413.2 points

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Solve for y:

2.5y = 5

• y = 2

• y = 2.5

• y = 7.5

• y = 12.5