Solving Expressions with Given Values

What is the solution in evaluating the following algebraic expression if w = 5 and v = 3?

Mathematical Equivalence

ON

Values for the variables, A, B, and C are graphed on the number line shown. Choose all the true statements below.

• A+B is a negative number.

• B+C is equal to zero.

• A+C is a positive number.

• A-B is a negative number.

Jenna has $235 in savings. She is able to save $25 per week. If she wants at least $400 in her savings. If w is the number of weeks, express this situation in an inequality.

• 235w+25<400

• 235w+25>400

• 235+25w≥400

• 235+25w≤400

Which expression is equivalent to 6(2x - 3)?

• 12x - 3

• 8x -9

• 8x - 18

• 12x - 18

Monica wants to spend at most $40 at the county fair. Entrance to the fair costs $15. She can spend d dollars on other things at the fair. Which inequality can be used to find the possible values of d?

• d − 15 > 40

• d − 15 < 40

• d + 15 ≥ 40

• d + 15 ≤ 40

c - 18 = 24

• c = 42

• c = 6

• c = -6

• c = 1.3

Which expression is equivalent to 12(5 - 4x)?

• 12x

• 17 - 16x

• 60 - 48x

• 60 - 4x

Which choice models 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

• 4v = 10

8.9 + j = 12.8

• j = 21.7

• j = 3.9

• j = 1.4

• j = 4.1

Which property justifies the work shown?

• Multiplication Property of Equality

• Subtraction Property of Equality

• Division Property of Equality

• Multiplicative Inverse Property