Math Algebra

Twenty decreased by x

• 20+x

• 20/x

• x-20

• 20-x

Which expression represents: "the product of 3 and x increased by 5"? 

• 5x - 3

• 3 - 5x

• 3x + 5

• 3x(5)

In the following expression, how many terms are there?

5x³ - 7x + 11

• 1

• 2

• 3

• 4

In the following expression, the number 11 is an example of a ____________?

5x³ - 7x + 11

• term

• constant

• coefficient

• variable

Solve and GRAPH the inequality:

r - 14 ≥ 17

The _______________ property of addition states that any number plus zero equals the other number.

• identity

• commutative

• associative

• Inverse

9+(2+4)=(9+2)+4

• Commutative Property of Addition

• Associative Property of Addition

• Additive Identity Property

• Distributive Property

Andrew has saved $55 toward the purchase of an IPOD. The IPOD costs $145.

A) Which equation represents the amount Andrew needs to save to by the IPOD?

B) Using the equation you chose, SOLVE for x on your paper showing the appropriate steps

• 55 + x = 145
• 145x = 55
• 55 - x = 145
• 145 (55) = x

What equation matches this situation?
Robyn had some video games then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10

• v + 4 = 10

• 10 - 4 = v

• Answer not Given

In 2010, a tree was 8 feet tall. In 2011 the tree was 14 feet tall. Write an equation that can be used find how many feet f the tree grew.

• f + 8 = 14

• f - 8 = 14

• f/8 = 14

• 8f=14