แผ่นงาน7.11A
คำถามทั้งหมด: 16
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1.
Which answer choice is the best first step to solve?
a)
Add 2 to both sides.
b)
Subtract 6 from both sides.
c)
Add 6 to both sides.
d)
Multiply by 2 on both sides.
2.
What is the solution to
-3x+2< 8
-3x+2< 8
a)
x > -3
b)
x > -2
c)
x < -2
d)
x < -3
3.
Which is the solutions to the inequality below
-4x-4>36
-4x-4>36
a)
x> -10
b)
4x< 10
c)
x > 10
d)
x < -10
4.
Solve for x:
8x - 10 = -34
8x - 10 = -34
a)
4
b)
3
c)
-3
d)
-24
5.
Solve. -8 = 3n + 4
a)
4
b)
1 1/3
c)
-1 1/3
d)
-4
6.
When graphing an inequality, you use an open dot when you use which symbol?
a)
<, >
b)
≤, ≥
c)
≤, <
d)
≥, >
7.
When you graph an inequality, you use a closed dot when you use which symbols?
a)
≤, ≥
b)
<, >
c)
≤, <
d)
≥, >
8.
Pick the correct letter for:
6 > x
6 > x
a)
A
b)
B
c)
C
d)
D
9.
Match the graph with its inequality.
a)
b > –2
b)
b < –2
c)
b ≥ –2
d)
b ≤ –2
10.
A phone company charges a sign-up fee of $3.50, plus $x for every hour the phone is used. If Brian talked on the phone for 12 hours and paid a total of $75.50, which of the following equations can be used to find, x, the hourly rate of the phone plan?
a)
3.50 + x = 75.50
b)
3.50 - x = 75.50
c)
75.50 + 12x = 3.50
d)
3.50 + 12x = 75.50
11.
A local gym charges $580 per year for a membership, plus $20 for a one-week boot camp class. If Jason has less than $800 per year to spend for a gym membership and boot camp classes, which inequality can be used to find c, the greatest number of boot camp classes Jason can take in one year?
a)
580 < 20c – 800
b)
800 ≥ 580 – 20c
c)
580 ≤ 20c + 800
d)
800 > 580 + 20c
12.
A t-shirt company spends $84 to design and print a customer’s design, and charges $12 per shirt to print the design on a shirt. Which inequality best represents, x, the number of t-shirts the company needs to sell to pay for the design and print cost, and earn a profit of at least $480?
a)
12x + 84 ≤ 480
b)
12x - 84 ≤ 480
c)
12x + 84 ≥ 480
d)
12x - 84 ≥ 480
13.
Nadea has $600 in her savings account. She withdraws $35 per week to buy gas for her car. Which equation can be used to determine how many weeks, w, it will take for Nadea to reduce her balance to $285?
a)
(600 – 35)w = 285
b)
35w – 600 = 285
c)
600 – w = 285
d)
600 – 35w = 285
14.
Which situation is best represented by the equation shown below?
6x + 36 = 42
6x + 36 = 42
a)
Sid bought some pens that cost $6 each and three binders that cost $12 each. The cost of Sid’s total purchase is $42. What is x, the number of pens Sid bought?
b)
Sid bought some pens that cost $6 each and three binders that cost $36 each. The cost of Sid’s total purchase is $42. What is x, the number of pens Sid bought?
c)
Sid spent $42 at the store. He bought some binders that cost $36 each and a pen for $6. If Sid spent a total of $42, what is x, the number of binders Sid bought?
d)
Not here
15.
Which problem situation matches the equation below?
40x = 240
40x = 240
a)
Mariana has $240 in her savings account. She gave $40 to her brother. What is x, the amount of money Mariana has left?
b)
Megan bought a TV that normally costs $240. She purchased the TV with a 40% discount. What is x, the amount of money Mariana saved when she bought the TV on sale?
c)
Marcus has 240 feet of wood. He cut the wood into 40 pieces. What is x, the number of pieces of wood Marcus cut?
d)
Jeff bought 40 bags of candy that cost $2.40 each. What is x, the amount of money Jeff spent on candy
16.
A phone company charges a sign-up fee of $3.50, plus $x for every hour the phone is used. If Brian talked on the phone for 12 hours and paid a total of $75.50, which of the following equations can be used to find, x, the hourly rate of the phone plan?
a)
3.50 + x = 75.50
b)
3.50 - x = 75.50
c)
75.50 + 12x = 3.50
d)
3.50 + 12x = 75.50
แป้นคำตอบ7.11A
คำถามทั้งหมด: 16
1.
c)
Add 6 to both sides.
2.
b) x > -2
3.
d) x < -10
4.
c) -3
5.
d) -4
6.
a) <, >
7.
a) ≤, ≥
8.
b) B
9.
d) b ≤ –2
10.
d) 3.50 + 12x = 75.50
11.
d) 800 > 580 + 20c
12.
d) 12x - 84 ≥ 480
13.
d) 600 – 35w = 285
14.
a) Sid bought some pens that cost $6 each and three binders that cost $12 each. The cost of Sid’s total purchase is $42. What is x, the number of pens Sid bought?
15.
c) Marcus has 240 feet of wood. He cut the wood into 40 pieces. What is x, the number of pieces of wood Marcus cut?
16.
d) 3.50 + 12x = 75.50
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