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Elementary and Intermediate Algebra
Mark Dugopolski, Southeastern Louisiana University
Linear Equations in Two Variables and Their Graphs
Equations of Lines in Slope-Intercept and Standard Form

Warm-Ups



1

There is only one line with y-intercept (0, 3) and slope -4/3.
A)TRUE
B)FALSE
2

The equation of the line through (1, 2) with slope 3 is y = 3x + 2.
A)TRUE
B)FALSE
3

The vertical line x = -2 has no y-intercept.
A)TRUE
B)FALSE
4

The equation x = 5 has a graph that is a vertical line.
A)TRUE
B)FALSE
5

The line y = x - 3 is perpendicular to the line y = 5 - x.
A)TRUE
B)FALSE
6

The line y = 2x - 3 is parallel to the line y = 4x - 3.
A)TRUE
B)FALSE
7

The line 2y = 3x - 8 has a slope of 3.
A)TRUE
B)FALSE
8

Every straight line in the coordinate plane has an equation in standard form.
A)TRUE
B)FALSE
9

The line x = 2 is perpendicular to the line y = 5.
A)TRUE
B)FALSE
10

The line y = x has no y-intercept.
A)TRUE
B)FALSE








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