Expressions and Equations Review

3x-5x

• 2x

• 8x

• -2x

• 15x²

-6k + 7k=

• k

• -k

• 12k

• -12k

What inequality does the number line graph represent?

• x > 5

• x < −5

• x ≥ 5

• x ≥ −5

x > 6 is read as

• "any number greater than 6"

• "any number lesser than 6"

• "any number greater than or equal to 6"

less than or equal to

• <

• >

• ≤

• ≥

Solve for x. 
x + 4 = 14

• 4

• 14

• 10

• -4

What rule would explain this input output table?

• The output is 3 times as much as the input.

• The input is 3 times as much as the output.

• The output is 8 times as much as the input.

• The input is 8 times as much as the output.

Which expression is equal to 6⁴?

• 10

• 24

• 4⁶

• 6⋅6⋅6⋅6

Which expression is equivalent to 20c − 8d?

• 2(10c + 4d)

• 4(5c − 8d)

• 4(5c − 2d)

• c(20 − 8d)

Here is an expression: 3⋅2^t.

Evaluate the expression when t is 1.

• 6

• 63

• 4

• 5