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LinearEquations
Beginning & Intermediate Algedra Review
0.1(3.2) Graphing Linear Equations in Two Variables
Exercises 16
Complete the ordered pairs . Then graph the equation by plotting the pointw and
drawing a line through
them.
1) y = x  2 (0,),(,0),(3,)
Exercises 1320
Find the intercepts for the graph of the equation.
2) 2x + y = 10
A) (5,0)(0,10)
B) (0,2)(0,6)
C) (2,0)(6,0)
D) (10,6)(2,10)
Exercises 2338
Graph the linear equation .
3) 2x + y = 0
0.2(2.3) More on Solving Linear Equations
Ecercises 522
Solve the equation .
4) 6x  (3x  1) = 2
A){1/9}
B){1/9}
C){1/3}
D){1/3}
Exercises 2346
Solve the equation .
Solve the equation.
6) 0.01(200) + 0.04x = 0.02(200 + x)
A){150}
B){300}
C){290}
D){310}
7) 3(x + 2)  (3x + 6) = 0
A){0}
B){2}
C){Ø}
D){ all real numbers }
Exercises 4754
Write the answer to the problem as an algebraic expression .
8) Two numbers have a sum of 34. One of the numbers is t. Find the other number.
A) t+34
B)34t
C)t34
D)34+t
0.3(2.8) Solving Linear Inequalities
Exercises 36
Write an inequality involving the variable x that describes the set of numbers
graphed.
Exercises 716
Write each inequality in interval notation and graph the interval on a number
line .
Exercises 2738
Solve the inequality. Write the solution set in interval notation and graph it.
Exercises 3954
Solve the inequality. Write the solution set in interval notation and graph it.
Exercises 5970
Solve the inequality. Write the solution set in interval notation and graph it.
Exercises 7792
Solve the problem.
14) Paul has grades of 77 and 86 on his first two tests . What must he score on
his third test in
order to have an average of at least 80?
A) at most81
B) at least77
C) at most 80
D) at least82
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