Math Core

This test covers all of Unit 1: expressions, the order of operations, the real number system, properties of real numbers, the distributive property, and combining like terms.

Question 1

Evaluate $3x + 2y$ when $x = 5$ and $y = 4$ .

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 2

Evaluate $2 + 3 \cdot 4$ .

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 3

Evaluate $-4^2$ .

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 4

Which number is irrational?

Question 5

Which property is shown by $5 + (x + 2) = (5 + x) + 2$ ?

Question 6

Use the distributive property to rewrite $3(2x - 5)$ without parentheses.

Question 7

Simplify $7x + 4 - 2x - 1$ .

Question 8

Simplify $4(a + 2) - 2(a - 1) + 1$ .

Question 9

Evaluate $5 - 2(3 - 7)^2$ .

Enter a number. Fractions like 3/4 and sqrt(2) are OK.

Question 10

Which property is shown by $7 \cdot \dfrac{1}{7} = 1$ ?