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Unit 3 Test Review
Test Description: Unit 3 test review
Instructions: Answer all questions to get your test result.
1) Identify the slope and y-intercept in the following equation. y=-3x + 7
A
slope= -3 y-intercept= 7/1
B
slope= 7 y-intercept= -3
C
slope= -3 y-intercept= 7
D
slope= -3/1 y-intercept= -7
2) Netflix charges $5.50 for a movie plus $1 per night. Blockbuster's charges $7 for a movie plus $0.50 per night. Write an equation to represent each situation.
A
Netflix: y= 1x - 5.50 Blockbuster: y= .50x - 7
B
Netflix: y= 1x + 5.50 Blockbuster: y= .50x + 7
C
Netflix: y= 5.50x - 1 Blockbuster: y= 7x - .50
D
Netflix: y= 5.50x + 1 Blockbuster: y= 7x + .50
3) Solve using substitution when given two equations: y= 1x + 5.50 and y= .50x + 7
A
(9,4)
B
(4, 9)
C
(3, 8.50)
D
(8.50, 3)
4) Given the points (1,5) and (4,11), use the slope equation to find the slope.
A
slope= 6/3
B
slope= 3
C
slope= 6/1
D
slope= 2/3
5) Whens using a graph to solve a system of equations, what point on the graph shows the solution?
A
The point where the line ends.
B
The starting point.
C
The point where both lines intersect.
D
The point where one line is higher than the second line.
6) N/A
A
N/A
7) N/A
A
N/A
8) N/A
A
N/A
9) N/A
A
N/A
10) N/A
A
N/A
*select an answer for all questions
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