Unit 6 Review

What is the letter in an algebra equation called?

• coefficient

• variable

• alphabet

• exponent

What is the number that is multiplied with a variable called, for example; 7x, what is the 7?

(also known as the variable's co-pilot)

• coefficient

• variable

• alphabet

• exponent

In an algebraic equation, it's the variable that is all by itself.

• dependent variable

• independent variable

In an algebraic equation, it's the variable that is always with something else, like a number.

• dependent variable

• independent variable

Solve: x + 12 = 18

• x = 10

• x = 2

• x = 6

• x = 12

Which expression is equivalent to 12a - 10g?

• 2(5g + 6a)

• a(12 - 10g)

• 4(3a - 2g)

• 2(6a - 5g)

• 30

Which equation is the hanger diagram representing?

• 3 + x = 4

• x + 2 = 5

• 2x = 5

• 3x = 4

Which equation does the hanger diagram represent?

• 3 + x = 4

• x + 2 = 5

• 2x = 5

• 3x = 4

In which equation is x = 3?

• 1 + x = 2

• 9 - x = 3

• x - 3 = 0