Algebra Mid Term Test

Which expression represents "7 more than five times a number"?

• 7+5x

• 5(x+7)

• 7(x+5)

• 5x+7

Which property allows the last question to written as

7+5x or 5x+7?

• associative

• commutative

• distributive

• identity

What is the value of x in the equation

4(x-7)=0.3(x+2)+2.11?

• 8.3

• 8.7

• 3

• -3

What is the slope of the line whose equation is
5x+2y=6?

• 2

• 5

Which graph has the same y-intercept as your previous question? 5x+2y=6

• red

• green

A grocery store sells packages of beef. The function C(w) represents the cost, in dollars, of a package of beef weighing w pounds. The most appropriate domain for this function would be

• integers

• rational numbers

• positive integers

• positive rational numbers

When solving p² + 5 = 8p − 7, Kate wrote p² + 12 = 8p. The property she used is

• the associative property

• the commutative property

• the distributive property

• the addition property of equality

When 3x + 2 ≤ 5(x − 4) is solved for x, the solution is

• x ≤ 3

• x ≥ 3

• x ≤ −11

• x ≥ 11

The function g(x) is defined as g(x) = −2x² + 3x. The value of g(−3) is

• -27

• -9

• 27

• 45

Which inequality is represented in the graph below?

• y ≥ −3x + 4

• y ≤ −3x + 4

• y ≥ −4x − 3

• y ≤ −4x − 3