Equations and Applications

A linear equation is shown below.
2(x + 3) - 4 = 18
Which value of x makes the equation true?

• x = 3
• x = 6
• x = 11
• x = 8 

Tags

CCSS.6.EE.B.5

Sarah has $14 and earns $6.25 per hour at work.  
Which equation can be used to determine how much money, m, Sarah has after working any number of hours, h?

• m = 14h + 6.25
• m = 6.25h + 14
• 14 = m + 6.25h
• 6.25 = 14m + h

Tags

CCSS.HSF-BF.A.1A

At the theater, Fred purchased x popcorns and y drinks.  He spent a total of $25.  The equation below represents this scenario.
4x + 3y = 25
What does the solution (4, 3) represent?

• Popcorn costs $4 each and drinks cost $4 each
• Fred purchased 4 popcorns and 3 drinks
• Fred spent $4 on popcorn and $3 on drinks
• Fred purchased 3 popcorns and 4 drinks

Tags

CCSS.8.EE.C.8C

Solve the equation: 7x - 6 = -90

• -12
• 12
• 96/7
• -96/7

Tags

CCSS.7.EE.B.4A

Solve the equation: -3(n - 5) = 3(n - 9)

• -7
• 7
• No Solution 
• Infinite Solution

Tags

CCSS.8.EE.C.7A

Solve the equation: 4(2p - 5) = -18 - 2(1-4p)

• 0
• 5/2
• No Solution
• Infinite Solutions

Tags

CCSS.8.EE.C.7A

Translate the equation: "Five less than a number is 76"

• 5 - x = 76
• x - 5 = 76
• 5x = 76
• x + 5 = 76

Translate the equation: "The quotient of a number and 0.8, decreased by 11, is 31"

• x/0.8 - 11 = 31
• x - 0.8/11 = 31
• x - 0.8 - 11 = 31
• 11 - x/0.8

Choose the equation that models the following situation:

Mike joins a gym for $25 up front and a $30 monthly fee.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

13 - v + 3 = 2(v - 10)

• v = 12

• v = -2

• v = -12

• v = 13