Grade 12 · SAT Math

Grade 12 SAT Math — SAT Math questions and answers

Heart of Algebra and Problem Solving items. Written in American English for students, parents, and teachers in the United States.

Practice quiz

Open a card to see the answer. These are original practice items for US elementary students — not a state test copy.

1. Heart of Algebra on the SAT focuses on

Answer: linear equations, systems, and linear functions

Isolate variables cleanly.

2. If 3x − 7 = 8, x =

Answer: 5

Add 7, divide by 3.

3. A line through (0, 2) with slope −1 is

Answer: y = −x + 2

y = mx + b.

4. Percent change from 80 to 100 is

Answer: 25% increase

(20/80) × 100% = 25%.

5. The mean of 4, 8, and 12 is

Answer: 8

Sum 24 ÷ 3.

6. If 2/3 of a number is 18, the number is

Answer: 27

x = 18 × 3/2.

7. In a right triangle with legs 6 and 8, the hypotenuse is

Answer: 10

6-8-10 is a 3-4-5 multiple.

8. A function table must have

Answer: one output per input

That is the definition of a function.