1001 Algebra Problems.PDF

328.Given that both of the following equations must
be satisfied simultaneously, use the substitution
method to determine the value ofab.

10 b– 9a= 6

b – a = 1

a.–12

b.–7

c. 1

d. 7

e. 12

329.Given that both of the following equations must
be satisfied simultaneously, use the substitution
method to determine the value ofx– y.
x+ 3 y= 8
2 x – y = 9

a.–24

b.–2

c. 0

d. 1

e. 2

330.Which of the following linear systems contains
two parallel lines?
a.x= 5,y= 5
b.y= –x,y= x– 1
c.x– y= 7, 2 – y= –x
d.y= 3x+ 4, 2x+ 4 = y

331.How many solutions are there to the system of

equations shown in the following graph?

a. 0

b. 1

c. 2

d.infinitely many

332.Determine the number of solutions of the

following system of equations:

y= 3x+ 2

y – 3 x =–2

a. 1

b. 0

c.infinitely many

d.none of the above

y

x

• LINEAR EQUATIONS AND INEQUALITIES–