Systems Of Equations And Inequalities Worksheets Page 2
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4Name: ________________________
ID: A
8. y = 3x – 2
y = 2x – 8
9. y = –2x + 1
y = –3x – 5
10. Without solving, what method would you choose to solve the system: graphing, substitution, or elimination?
Explain your reasoning.
1
y =
x − 8
2
y = 3x
Graph the inequality.
11. y < 5x − 3
12. Write the following inequality in slope-intercept form.
10x + 2y ≥ −10
Solve the system of linear inequalities by graphing.
13. y ≤ −x − 1
y ≥ 2x + 4
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
____ 14. A motorboat can go 8 miles downstream on a river in 20 minutes. It takes 30 minutes for the boat to go
upstream the same 8 miles. Find the speed of the current.
a.
20 mph
b.
16 mph
c.
24 mph
d.
4 mph
____ 15. Mike and Kim invest $14,000 in equipment to print yearbooks for schools. Each yearbook costs $7 to print
and sells for $35. How many yearbooks must they sell before their business breaks even?
a.
650
b.
2,000
c.
500
d.
400
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