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Elementary and Intermediate Algebra
Mark Dugopolski, Southeastern Louisiana University
Linear Equations in One Variable
Formulas

Warm-Ups



1

If we solve D = R · T for T, we get T · R = D.
A)TRUE
B)FALSE
2

If we solve a - b = 3a - m for a, we get a = 3a - m + b.
A)TRUE
B)FALSE
3

Solving A = LW for L, we get L = W/A.
A)TRUE
B)FALSE
4

Solving D = RT for R, we get R = d/t.
A)TRUE
B)FALSE
5

The perimeter of a rectangle is the product of its length and width.
A)TRUE
B)FALSE
6

The volume of a shoe box is the product of its length, width, and height.
A)TRUE
B)FALSE
7

The sum of the length and width of a rectangle is one-half of its perimeter.
A)TRUE
B)FALSE
8

Solving y - x = 5 for y gives us y = x + 5.
A)TRUE
B)FALSE
9

If x = -1 and y = -3x + 6, then y = 3.
A)TRUE
B)FALSE
10

The circumference of a circle is the product of its diameter and the number p.
A)TRUE
B)FALSE








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