# 6 Weeks Review Oct 7 Question Preview (ID: 26857)

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Slope Scientific Notation Real Numbers.[print questions]

**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=2x

b) y=-4x+5

c) y=4x-5

d) y=6x

**In the equation y=2x+3. What is the slope?**

a) 2

b) 5

c) 3

d) 5x

**In the equation y=2x+3, which is the y-intercept?**

a) 2

b) 7

c) 3

d) y

**What is the y intercept in the equation y=-7+3x?**

a) 3

b) -7

c) y

d) x

**What is the slope in the equation y=9-3x?**

a) y

b) 9

c) 3

d) -3

**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=2x+7

c) y=-5x+3

d) y=3x+5

**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) 15 minutes

c) 40 minutes

d) 25 minutes

**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) $15.25

c) $18.00

d) $17.25

**Which of the following is a negative rational number that is not an integer?**

a) -3.5

b) -4

c) 3/5

d) 4.25

**Which number is between π and √(14)**

a) 3.11

b) 3.1

c) 3.567

d) 3.89

**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) 14 cupcakes per oz

c) 15 cupcakes per oz

d) 16 cupcakes per oz

**Which equation does NOT respresent a direct variation?**

a) y=(1/4)x

b) y=-4x

c) y=5x+1

d) y=6x

**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 A

b) Car B

c)

d)

**The mass of ant is 0.004 grams. Which expression shows the numerical value of the mass in grams?**

a) 4.0x10^(-2)

b) 4.0x10^(-3)

c) 4.0x10^(-1)

d) 4.0x10^(-4)

**Population in California is 38,080,000. Write in scientific notation.**

a) 38.08x10^(6)

b) 3.808x10^(6)

c) 3.808x10^(7)

d) 38.08x10^(7)

**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) 90 feet

b) 4,100 feet

c) 2,100 feet

d) 91 feet

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