1001 Algebra Problems.PDF

316.Given that both of the following equations must
be satisfied simultaneously, use the elimination
method to determine the value ofdc.
c– 5 d– 2 = 0
c– 6d = 0

a. 2

b. 6

c. 8

d. 12

e. 14

317.Given that both of the following equations must
be satisfied simultaneously, use the elimination
method to determine the value ofxy.

–5x+ 2y= –51

• x–y= –6

a.–27

b.–18

c.–12

d.–6

e.–3

318.Given that both of the following equations must
be satisfied simultaneously, use the elimination
method to determine the value of (y–x)^2.

9(x– 1) = 2 –4y

2 y+ 7x= 3

a. 1

b. 4

c. 16

d. 25

e. 36

319.Given that both of the following equations must

be satisfied simultaneously, use the elimination

method to determine the value of (p+q)^2.

8 q+ 15p= 26

–5p+ 2q= 24

a. 4

b. 5

c. 25

d. 49

e. 81

320.Use the elimination method to determine

the solution of the following system of linear

equations:

4 x– 3y= 10

5 x+ 2y= 1

a.x= 4,y= –3

b.x= 1,y= –2

c.x= –1,y= –^13 

d.x= 2,y= –^23 

Set 21 (Answers begin on page 185)

Systems of 22 linear equations are solved using the

substitution method and graphical techniques in this

problem set.

321.Given that both of the following equations must

be satisfied simultaneously, use the substitution

method to solve the following system:

x= –5y

2 x–2y= 16

a.x= 10,y= –2

b.x= –2,y= 10

c.x= 20,y= –4

d.x= –5,y= 1

• LINEAR EQUATIONS AND INEQUALITIES–