01Question 1
Easy
The table shows points on a line.
| x | y |
|---|---|
| 1 | 2 |
| 3 | 8 |
| 5 | 14 |
What is the slope of the line?
Algebra
SAT linear equations in two variables practice questions
Lines and their equations. You find a slope from two points, find intercepts, write horizontal and vertical lines, and say what the numbers in an equation like y = 20x + 50 mean in context.
Practice linear equations in two variables 103 questions, no account needed.
The usual trap
Watch signs and order. Subtracting coordinates in mixed order flips the slope, and a horizontal line is y = a number, not x = a number.
Try three questions
Pick an answer to check it and see why. Practice sets also have grid-ins, where you type the answer.
02Question 2
Medium
The graph of a line in the xy-plane has a y-intercept of (0, −4) and passes through (3, 2). What is the slope of the line?
03Question 3
Hard
4(x − 3y) + 6 = 2(x + ky) − 10 In the given equation, k is a constant. The graph of the equation in the xy-plane is a line that is perpendicular to the graph of y = 2x − 5. What is the value of k?
Keep going
Start a set in this skill. Every answer comes with an explanation.
Practice linear equations in two variables
103 questions in the bank: 23 Easy, 54 Medium, 26 Hard.