Algebra Review: Gr. 7

w increased by 5

• w - 5
• 5w
• w + 5
• w / 5

the difference of 3 times a number and 7

• 3 - 7n
• 3n - 7
• 3n + 7 
• 3 / 7n

the quotient of twenty and a number

• 20/n
• 20-n
• n+20
• n-20

2 times the difference of t and 11

• 2t - 11
• 2(t - 11) 
• 2(t / 11)
• 2 x t - 11

4 divided by the sum of a number and 12

• 4 / n + 12
• 4 / 12n
• 4 / (n + 12) 
• (4 / n) + 12

What word phrase can you use to represent "5x + 2"?

• five times the sum of a number x and two
• two times the sum of a number x and five
• a number x times the sum of five and two
• the sum of five times a number x and two

Write a verbal expression for:
2a+6

• 6 more than the product of 2 times a number
• 6 less than the product of 2 times a number
• 6 more than the quotient of 2 and a number
• twice the sum of a number and 6

"Subtracted from" and "less than" are terms that mean you need to "turn around" or "flip"  the terms around.

• True
• False

 Identify the variables in the following expression:  4x + 2y - 6

• 4, 2, -6
• -4 and x
• X and Y 
• -6

Evaluate 8a - b     if a = 10   and   b = 6

• 74
• 38
• 1000
• 9000