1. Find the solution for the system of equations:
x + 3y = 1
5y = 2x + 20
(2 , -5)
(-5 , 2)
(50/9, 511/18)
none of these
2. Find a second point on the line with slope m = 9 passing through the point (4,- 8).
(4 ,1)
(13, - 7)
(5,1)
none of these
3. Find the slope of the line 4x - 2y = 19.
m = 2
m = 4
m = 1/2
none of these
4. Find an equation of the line through the points (10,4) and (4,12)
y = -3/4 x + 3/52
y = 4
y = -4/3 x + 52/3
none of these
5. Write a system of equations to represent the following problem and solve:
Sue has 33 bills, some fives and some tens, that have a total value of $230.
How many of each kind of bill does she have?
3 tens and 30 fives
20 tens and 13 fives
13 tens and 20 fives
none of these
6. Write a system of equations to represent the following problem and solve:
The difference of two numbers is -1. Twice the smaller is 38 more than the
larger. Find the numbers.
39 and 40
36 and 37
12 and 13
none of these
7. Solve for y: 2x - 3y = 18
y = -6 + (2/3)x
y = 6 - (2/3)x
y = -6 + 2x
none of these
8. Find the x-intercept of the line 2x + 3y = - 6
(-3,0)
(0,-3)
(0,-2)
none of these
9. The graph of the equation x=2 is a ...
horizontal line
vertical line
neither
10. The y-intercept of the line - 5x - 2y = 15
(0,-3)
(0,-15/2)
(-3, 0)
none of these