Unit 1 Test: Pre-Algebra (Final)

Front

What is the value of the expression x² + y² - x + y when x = 2 and y = -2?

Back

4

Front

Which of the following demonstrates the identity property of multiplication? 7 x 1 = 7, 1 x 9 = 1, 4 x 0 = 0, 3 x 3 = 9

Back

7 x 1 = 7

Front

Calculate 80 - 4² × 2.

Back

48

Front

Simplify (3x²y⁴z)(4x³y²z⁴).

Back

12x⁵y⁶z⁵

Front

Evaluate a² + b² if a=3 and b=-1.

Back

10

Front

What is the identity property of addition?

Back

The identity property of addition states that adding zero to any number does not change the value of that number.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What is the value of 5x + 3 when x = 2?

Back

13

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the value of 2³?

Back

8