Chapter 5 Pre Algebra

In the term -3k²mn , state the coefficient of

• -3

• 3

• m

• n

In the term -3k²mn , state the coefficient of

• 3k²

• -3

• 3

• -3k²

In the term -3k²mn , state the coefficient of

• -mn

• mn

• 3

• k

Given that x = 3 and y = 2, find the value of 8x - 5y + 7

• 12

• 21

• -21

• -12

The sum of m and n

• mn

• m/n

• m-n

• m+n

Andy and 4 friends equally shared some pizzas. How much did they each eat?

• 4x
• x / 4
• 5x
• x / 5

Evaluate the expression using the values
 m = 7, r = 8, and t = 2.
4m + t

• 30
• 28
• 26
• 14

Find the difference (2x + 5) − (x + 4).

• x + 1
• 3x + 9
• −x + 1
• x + 9

How many terms are in the expression below:
3x - 6 + 4b + 5 + 7 - 2x

• five
• eight
• six
• nine

Rewrite the expression using exponents:

• f³g
• 3fg
• f3g
• fg³