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6 Weeks Review Oct 7
Test Description: Slope scientific notation real numbers
Instructions: Answer all questions to get your test result.
1) Population in California is 38,080,000. Write in scientific notation.
A
38.08x10^(7)
B
3.808x10^(7)
C
3.808x10^(6)
D
38.08x10^(6)
2) The area of a baseball diamond is about 8,200 square feet. What is the approximate length of each side of field? Round your answer to the nearest foot.
A
2,100 feet
B
4,100 feet
C
91 feet
D
90 feet
3) The mass of ant is 0.004 grams. Which expression shows the numerical value of the mass in grams?
A
4.0x10^(-4)
B
4.0x10^(-1)
C
4.0x10^(-2)
D
4.0x10^(-3)
4) Two cars start at the same time at the origin and travel at different constant rate. Car A passes through (6,360) and Car B passes through (0.5,30.5). which car is traveling faster?
A
Car B
B
Car A
5) Which equation does NOT respresent a direct variation?
A
y=6x
B
y=-4x
C
y=(1/4)x
D
y=5x+1
6) Which number is between π and √(14)
A
3.89
B
3.11
C
3.1
D
3.567
7) It takes 5.5 ounces of milk to make 77 cupcakes. What is the unit rate of this proportional relationship?
A
13 cupcakes per oz
B
15 cupcakes per oz
C
14 cupcakes per oz
D
16 cupcakes per oz
8) Which of the following is a negative rational number that is not an integer?
A
-4
B
-3.5
C
4.25
D
3/5
9) Jorge earns $50.25 in three hours. Brenda earns $45.00 in three hours. Monica's hourly rate is less than Jorge's but more than Brenda's. What is her hourly rate?
A
$15.00
B
$17.25
C
$15.25
D
$18.00
10) Maggie has a large container that holds 9 gallons of water. It begins leaking at a constant rate. After 20 minutes, the container has 5 gallons of water left. After how many minutes will the container be empty?
A
30 minutes
B
25 minutes
C
15 minutes
D
40 minutes
11) In the equation y=2x+3. What is the slope?
A
2
B
5
C
3
D
5x
12) In the equation y=2x+3, which is the y-intercept?
A
3
B
7
C
y
D
2
13) What is the y intercept in the equation y=-7+3x?
A
x
B
-7
C
y
D
3
14) What is the slope in the equation y=9-3x?
A
-3
B
9
C
y
D
3
15) A line passes through these two points (2,11) and (4,17), what is the equation of the line? Use menu 814 strategy.
A
y=4x
B
y=-5x+3
C
y=3x+5
D
y=2x+7
16) A line passes through these two points (1,-1) and (4,11), what is the equation of the line? Use menu 814 strategy.
A
y=6x
B
y=4x-5
C
y=-4x+5
D
y=2x
*select an answer for all questions
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