7 th Grade Test #5 Review

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# 7 th Grade Test #5 Review - PowerPoint PPT Presentation

7 th Grade Test #5 Review. Mr. Hernandez. #1. What is the slope of the line shown below?. #2.

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Mr. Hernandez

#1

What is the slope of the line shown below?

#2

Paul is trying to draw a right triangle. The length of one of the sides of the triangle is 10 cm, and the length of the hypotenuse is 11 cm. Approximately how long should Paul draw the third side of the triangle?

11

10

x

#3

Harry’s Jacuzzi

Water Level

10 a.m

11 a.m

12 p.m

1 p.m

2 p.m

Time

Which statement best describes the water level of the pool from 11 a.m. to 12 p.m.?

• The pool is empty.
• The water level is constant.
• The water level is increasing.
• The water level is decreasing.

#4

A Lion can travel at 18 ft. per minute. His speed was decreased by 40%. What was the Lion’s speed after the decrease?

#5

A camera originally sold for \$459. Two months later the price was reduced 30%. During a sale, the camera was discounted an additional 23% off the reduced price. What was the final price of the camera?

Which statement is true about the slope of line

• The slope is the ratio of the x- and y-intercepts.
• The slope is the same between any two points on the line.
• The slope between point A and point B is greater than the slope between point B and point C.
• The slope between point A and point C is greater than the slope between point A and point B.

### #6

#7

A group of friends rode their motorcycles for 350 miles at 50 mph and made 3 stops at 20 minutes each. How long did the trip take including stops?

### #8

#9

A camera that usually sells for \$359 is on sale for \$219. What is the approximate percent decrease in the price of the camera?

1st – Find the amount of change.

2nd – Use the Percent of Change ratio.

#10

Find the length of the missing side in the triangle below?

x

15

20

#11

Paloma squeezed 48 ounces for fresh orange juice. She used some of it to make 1.2-ounce frozen popsicles. She had 12 ounces of orange juice left over. How many frozen popsicles did Paloma make?

#12

What would the equation look like on the graph below?

.

#13

What would the equation look like on the graph below?

#14

In a poll of 280 registered voters in a certain district, 140 favored a proposed new gas station. What percent favored the new gas station?

#15

What is the graph of

• Graph is a parabola that opens upward
• Graph is a parabola that opens downward

.

.

#17

Write an equation that corresponds to the graph below?

What would the equation look like if it had the graph below?

### #16

.

#18

A jacket that originally costs \$34.00 went on sale with a discount of 13%. What is the cost of the jacket after the discount?

#19

Evaluate:

#20

What does the slope of a line represent?

• Length of a line
• Distance from the origin
• Steepness of the line
• Intersection of the line and the y-axis

#21

Ashley used a 6-foot rope to secure a 3-foot pole as shown.

Approximately how far from the base of the pole is the rope tied?

6

3

x

#23

The graph below shows the length of a chain versus the number of links. How long is a chain with 200 links?

### #22

#24

Write an equation that corresponds to the graph below?

#25

A hyena runs at a speed of 16 feet per minute. Its speed was increased by 30%. What was the hyena’s speed after the increase?

#26

What is the slope of the line shown below?

#27

A soccer jersey was sold for \$69.99 during a spring clearance sale. If the original selling price of the jersey was \$119.99, what was the approximate percent of decrease in the price of the jersey?

#28

David bought a scarf for \$39. if the sales tax is 7%, how much did he pay for the scarf?

Tax

#29

The graph below shows the relationship between the price and the number of gallons of gasoline purchased. What was the price per gallons of gasoline?

Per Gallon means 1 gallon

#30

What is the slope of the ascending staircase?

#31

Shannon deposits \$700 into a savings account. The bank has an interest rate of 5%. How much will be in Shannon’s account AFTER 4 years?

This is in the account after 1 year

#32

What is the slope of the line?

There are no coordinate points so add the coordinate points.

#33

There are 45 white milks and 55 chocolate milks in the school cafeteria. What percent of the milks are chocolate?

#34

The graph below shows Jason’s earnings during a 6-hour work day?

Which of the following corresponds to the graph?

• \$10.50 in 2 hours
• \$7.00 in 1 hours
• \$3.50 in 3 hours
• \$14.00 in 4 hours

#35

Graph the following data on the chart below.

• 17
• 16
• 15
• 14
• 13

Price per dollar

• 12
• 11
• 10
• 9
• 8
• 7
• 6
• 5
• 4
• 3
• 2
• 1
• 0
• 1
• 2
• 3
• 4
• 5

Number of laps