SAT Practice TestSAT Math10 Questions~15 min

SAT Linear Functions Practice Test — 10 Questions

A full SAT-style Linear Functions practice test with 10 questions at varying difficulty levels. Answer every question, get instant feedback, and review detailed explanations to understand exactly where you went wrong.

10
Questions
15m
Est. Time
All
With Explanations
Yes
Free to Take
Just Practice Questions Instead

What to Expect on This Practice Test

Difficulty Mix

5 Easy · 3 Medium · 2 Hard — matching the real SAT distribution.

Instant Feedback

Know immediately if you're right. Read a detailed explanation after every answer.

Topic Covered

Linear Functions — a key topic in the Algebra section of SAT Math.

SAT Linear Functions Practice Test

10 Questions
0 / 10 answered
1Easy

Which of the following represents a linear function?

2Easy

For the function f(x) = 3x - 4, what is f(5)?

3Easy

A linear function passes through (0, 3) and has a slope of 2. What is the equation?

4Easy

If f(x) = -x + 6, what is f(-2)?

5Easy

What is the y-intercept of the linear function y = 5x - 7?

6Medium

A taxi company charges a flat fee of 3.50plus3.50 plus 1.75 per mile. Which linear function represents the total cost C for m miles?

7Medium

The function f(x) = 4x + k passes through the point (3, 17). What is k?

8Medium

A phone plan costs 25permonthplus25 per month plus 0.10 per text message. Another plan costs $40 per month with unlimited texts. At how many texts per month do the plans cost the same?

9Hard

A linear function f satisfies f(2) = 7 and f(6) = 19. Which of the following is f(x)?

10Hard

A water tank contains 500 gallons and is draining at a constant rate. After 3 hours, it contains 320 gallons. After how many total hours will the tank be empty?

How to Improve Your SAT Linear Functions Score

Identify your specific error pattern on this topic

After completing this practice test, look at every wrong answer and ask: 'Was this a content gap, a misread, or a careless error?' Each type has a different fix. Content gaps require review. Misreads require slowing down. Careless errors require double-checking.

Review every explanation, even correct answers

Understanding why an answer is right is as important as getting it right. Many students get lucky on questions they don't fully understand — those will come back to haunt them on test day.

Practice under time pressure

SAT Math questions should take about 1.2–1.5 minutes each. Once you understand the Linear Functions concepts, practice with a timer. Speed comes from pattern recognition, which comes from repetition.

Drill Linear Functions questions until they feel automatic

Use Blitzsat's question bank to filter specifically for Linear Functions questions at medium and hard difficulty. Repeat until you can answer most questions in under 60 seconds.

Want More Linear Functions Practice?

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