1. Write an equation in slope-intercept form to represent a line that passes through the points (-2,4) and (2,-4).
y=-2x
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15
10. Nancy has a snack budget of $12. Chips are $0.25 per bag and soda is $1.25 per can. Write an inequality that represents the number of chips c and sodas s she can purchase.
0.25c + 1.25s âĪ 12
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15
5A. Write the linear inequality that represents each graph.
y<x
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trap
No points!
Oops!
magnet
Take 20 points!
Okay!
fairy
Take points!
5
10
15
20
25
baam
Lose 15 points!
Oops!
15
11. Is (2, 1) â a solution of y < -Âģââx + 4?
no- it falls on the dashed boundary line
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9a. Part A: In how many months will her checking account balance equal her savings account balance?
6 months
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9b. Part B: If Taryn deposited an additional $450 in her savings account, in how many months will her balances be the same?
3 months
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baam
Lose 10 points!
Oops!
gift
Win 10 points!
Okay!
gift
Win 25 points!
Okay!
lifesaver
Give 10 points!
Oops!
15
6b. Is each ordered pair a solution of y < 2x + 3? (4,1)
yes
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6a. Is each ordered pair a solution of y < 2x + 3? (0,3)
no
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15
3. Write the equation of a line in slope-intercept form that has a slope of -ž and passes through (2, 5).
y = -1/4x + 5 1/2
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25
4. The function f(x) represents the amount charged by babysitter A for x hours of work, and g(x) represents the amount charged by babysitter B for x hours of work. For how many hours of work will the babysitters charge the same amount?
5 hrs / $55
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7. Write an equation in standard form to represent the line shown on the graph below.
2x - y = -4 OR -2x + y = 4
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thief
Give points!
5
10
15
20
25
star
Double points!
Okay!
gift
Win 10 points!
Okay!
thief
Give points!
5
10
15
20
25
seesaw
Swap points!
Oops!
gift
Win 5 points!
Okay!
shark
Other team loses 5 points!
Okay!
baam
Lose 10 points!
Oops!
15
5B. Write the linear inequality that represents each graph.