Download 4x + 3y = −6 y = 4 – 2x - Math

Name: _______________________
H.W. # 32
System Review for Quiz
_______ 1) What are the coordinates of the y-intercept of the linear function y = 6x?
A) (0, 6)
B) (6, 0)
C) (0, 0)
D) (6, 6)
_______ 2) What is the slope of the linear equation y = 7 + 3x?
1
A) 3x
B)
C) 7
3
D) 3
_______ 3) John was calculating the slope of two points. He did all the work correctly
4
and got − . What is his slope equivalent to?
0
A) 0
B) −4
C) no slope
D) 4
4) A line contains the points (4,2) and (0, −1). What is the equation of this line? Show all work.
Equation is: ______________________
5) Solve the following system by substitution. Check your solution. Show all work clearly.
4x + 3y = −6
y = 4 – 2x
CHECK: (Both equations)
The solution is: ________
6) Solve the system of equations graphically by using slope-intercept method and showing all work .
Show m & b. Write the solution on the line provided. Remember to label.
y=
3
x
5
and 5y = 2x + 25
Solution is: __________
7) Joshua solves the system of equations shown below.
10x + 12y = 8
10x + 12y = 18
By looking the system, how many solutions should he expect to find?
A) Infinitely many solutions
B) No solution
C) One solution