Quiz about Algebra 1 EOC Practice Part I

Question 1

The original value of a painting is $1400, and the value increases by 9% each year. Write an exponential growth function to model this situation.

Accepted Answer

y=1400(1.09)^x

Answer

y=1.09(1400)^x

Answer

y=1400(.91)^x

Answer

y=1.09x

Question 2

The population of Winnemucca, Nevada, can be modeled by P=6191(1.04)^t where t is the number of years since 1990. What percent did the population increase each year?

Accepted Answer

4%

Answer

1.04%

Answer

I don't know

Answer

400%

Question 3

What is the solution to the system?

Accepted Answer

(1, 3)

Answer

(0, 3)

Answer

(1, -1)

Answer

(-3, 1)

Question 4

Find the vertex of
f(x) = -x²- 4x + 12

Accepted Answer

(-2, 16)

Answer

(2, 0)

Answer

(2, 4)

Answer

(-2, 4)

Question 5

What is the solution to this system?
y = 2x + 1
y = 4x - 1

Accepted Answer

(1,3)

Answer

(-1,-3)

Answer

(-1,3)

Answer

(3,1)

Question 6

Write an expression for the following. Jerry has $20 and makes $7 per hour.

Accepted Answer

7x + 20

Answer

7 + 20x

Answer

20 + 7

Answer

20x+7y

Question 7

The length of a rectangle is 6 meters more than the width.  The area is 72 square meters.  Find the length and width.

Accepted Answer

Length = 12, Width = 6

Answer

Length = 6, Width = 12

Answer

Length = 18, Width = 4

Answer

Length = 4, Width = 6

Question 8

A raft is dropped from a helicopter 256 feet in the air above the ocean. Its approximate height, h, after t seconds is given by the function h(t) = -16t² + 256. How many seconds did it take the raft to hit the water?

Accepted Answer

4

Answer

-4

Answer

2

Answer

8

Question 9

Members of the math club launch a model rocket from ground level with an initial velocity of 96 ft/sec. This can be modeled with the function h(t) = -16t² + 96t. When does the maximum height occur?

Accepted Answer

3 seconds

Answer

6 seconds

Answer

145 seconds

Answer

160 seconds

Question 10

If a system of equations has no solution, what does the graph look like?

Accepted Answer

parallel lines

Answer

intersecting lines

Answer

perpendicular line

Answer

coinciding lines

Question 11

3(1-3x)=2(-4x+7)

Accepted Answer

-11

Answer

11

Answer

-20

Answer

20

Question 12

-31-4x=-5-5(1+5x)

Accepted Answer

1

Answer

2

Answer

-1

Answer

4

Question 13

What is the first step to solve this equation:
11 - 3x = 44

Accepted Answer

Subtract 11 from both sides

Answer

Add 3 to both sides

Answer

Add 11 to both sides

Answer

Divide 3 on both sides.

Question 14

How many terms are in the expression below:
5a + 7b - 8

Accepted Answer

three

Answer

one

Answer

two

Answer

five

Question 15

Which one is the coefficient?
6f²- 9

Accepted Answer

6

Answer

f

Answer

2

Answer

-9

Question 16

The graph shows the relationship between the number of gallons of fuel remaining in a truck and the number of hours driven, h.
What does the x-intercept represent?

Accepted Answer

The number of hours the truck was driven before running out of fuel.

Answer

The number of gallons of fuel in the truck before the driving occurred.

Answer

The number of gallons of fuel the truck can hold.

Answer

The number of hours required to use one gallon of fuel.

Question 17

What percentage of males drive sports cars?

Accepted Answer

65%

Answer

35%

Answer

16.25%

Answer

25%

Question 18

Find the difference.
(7p + 4p³ - 8) - (-3p²+ 2 - 9p)

Accepted Answer

4p³ +3p² + 16p - 10

Answer

-3p²+ 4p³ -15 + 9

Answer

3p³ + 4p² - p + 3

Answer

4p³ -3p² +16p + 10

Question 19

Identify the common difference.
97, 86, 75, 64, ...

Accepted Answer

-11

Answer

8

Answer

11

Answer

-8

Question 20

Create the explicit(closed) formula for the sequence:
2, 8, 14, ...

Accepted Answer

an=6n-4

Answer

an=2+6n

Answer

an=-6+6n

Answer

an=4-6n

Question 21

Write the recursive formula for the following sequence?
6, 4, 2, 0, . . .

Accepted Answer

a₁ = 6, a_n = a_n-1 - 2

Answer

a_n = -2n + 8

Answer

a₁=6, a_n = a_n - 1 - 2

Answer

a₁ = 6, a_n = a_n-1 + 2

Question 22

If f(x) = 2x-9, what is f(3)?

Accepted Answer

-3

Answer

6

Answer

3

Answer

-6

Question 23

Describe the histogram:

Accepted Answer

Right Skewed

Answer

Left Skewed

Answer

Aproximately Normal/Symmetric

Answer

Aproximately Uniform

Question 24

What percentage of the data is between 90 and 140?

Accepted Answer

50%

Answer

25 %

Answer

75%

Answer

100%

Question 25

Which city has a higher median?

Accepted Answer

Arcadia

Answer

Millersburg

Question 26

Find the median.
12, 5, 9, 18, 22, 25, 5

Accepted Answer

12

Answer

9

Answer

8

Answer

18

Question 27

Find the mode.
12, 5, 9, 18, 22, 25, 5

Accepted Answer

5

Answer

22

Answer

18

Answer

9

Question 28

What is another word for zeros?

Accepted Answer

roots

Answer

y-intercepts

Answer

vertex

Answer

axis of symmetry

Question 29

Solve
4m² - 100 = 0

Accepted Answer

m=5, -5

Answer

m=25, -25

Answer

m=96

Answer

m=-96

Question 30

In a pasture are horses and chickens if there are a total of 28 animals and 80 legs how many chickens and horses?

Accepted Answer

16 horses, 12 chickens

Answer

10 horses, 18 chickens

Answer

12 horses, 16 chickens

Answer

18 horses, 10 chickens

Algebra 1 EOC Practice Part I

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