Quiz about Algebra 1 EOC Review

Question 1

Find the error in the problem below
19 - 2k = 3k - 1
+3k +3k
19 + 1k = -1
-19 -19
k = -20

Accepted Answer

Instead of adding 3k they should subtract 3k

Answer

They should have divided by 1 for the last step

Answer

They should add 19 instead of subtracting 19

Answer

I can not find an error

Question 2

Is the solution below correct?
5d = 2d - 18
-2d -2d
3d = -18
d = 6

Accepted Answer

No

Answer

Yes

Question 3

Solve for the indicated variable.

Accepted Answer

w = A/l

Answer

A = l/w

Answer

w = l/A

Answer

w = A

Question 4

What is the first step in solving this equation?
5(2x - 1) + 7 = 4x + 11

Accepted Answer

Use the distributive property to get rid of the parenthesis

Answer

Combine like terms

Answer

Add 7 & 11

Answer

Add 2x & 4x

Question 5

What is the slope a horizontal line?

Accepted Answer

0

Answer

-1

Answer

undefined

Answer

1

Question 6

Give the solution to the system

Accepted Answer

(1,3)

Answer

(3,1)

Answer

(-1,3)

Answer

a hoppy hippo

Question 7

Question 7.

Accepted Answer

Not a Function

Answer

Function

Question 8

Question 8.

Accepted Answer

Function

Answer

Not a Function

Question 9

Question 9.

Accepted Answer

Not a Function

Answer

Function

Question 10

Question 10.

Accepted Answer

Function

Answer

Not a Function

Question 11

Which equation matches the graph?

Accepted Answer

y = 2x - 3

Answer

y = 2x + 3

Answer

y = -3

Answer

y = -3x + 2

Question 12

If f(x)=3x-9, find f(5).

Accepted Answer

f(5) = 6

Answer

f(5) = 16

Answer

f(5) = -4

Answer

f(5) = 24

Question 13

Find the product.
(m-8)(m-9)

Accepted Answer

m2-17m+72

Answer

m2-17m-72

Question 14

A cup is filled with 100 ml of water. Every second, 2 ml of water are poured out of the cup.  Which function shows the amount of water in the cup after t seconds?

Accepted Answer

w(t) = 100 - 2t

Answer

w(t) = 100 + 2t

Question 15

Factor the following polynomial:
x²+5x+6

Accepted Answer

(x+3)(x+2)

Answer

(x+6)(x+1)

Question 16

What is the shape of this data?

Accepted Answer

Normal Distribution

Answer

Negatively Skewed

Answer

Positively Skewed

Answer

Paranormal Distribution

Question 17

Carlos is working at the grocery store at $10.50 an hour to earn money for tuition. So far he has saved $450. Tuition is due soon and will cost at least $980. Let x be the number of hours that Carlos spends working. Write an inequality that could be used to find x.

Accepted Answer

10.5x+450>980

Answer

10.5x-980<450

Answer

10.5x+980>450

Answer

10.5x-450>980

Question 18

Which point below is NOT part of the solution set?

Accepted Answer

(-1, -3)

Answer

(0, 0)

Answer

(5, 1)

Answer

(20, -5)

Question 19

What is another name for the x-intercepts of a quadratic?

Accepted Answer

Zeros

Answer

y-intercept

Answer

x-axis

Answer

They don't have another name

Question 20

Which is a zero of the graph?

Accepted Answer

-1

Answer

0

Answer

1.5

Answer

-3

Question 21

What type of function is f(x)=2(1/7)^x ?

Accepted Answer

Exponential Decay

Answer

Exponential Growth

Answer

Linear

Answer

None of the Abovee

Question 22

What is the balance of $6000 compounded annually at a rate of 4% for 10 years?

Accepted Answer

$8,881.47

Answer

$7,432.93

Answer

$8,400

Answer

$6,500

Question 23

What is the explicit rule for the sequence:
11, 22, 44, 88...

Accepted Answer

_gn = 11(2)^n-1

Answer

_gn = 2(11)^n-1

Answer

gn = 11x2

Answer

g_n = 11+(2)^n-1

Question 24

If 5 times a number increased by 30 is 15, what is the number?

Accepted Answer

-3

Answer

-15

Answer

3

Answer

9

Question 25

Create the explicit formula for the sequence:
2, 8, 14, ...
(Hint: Write your formula and then simplify it.)

Accepted Answer

an=6n-4

Answer

an=2+6n

Answer

an=-6+6n

Answer

an=4-6n

Question 26

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

Accepted Answer

-11

Answer

8

Answer

11

Answer

-8

Question 27

Write the recursive formula for 4, 8, 12...

Accepted Answer

a_n=a_n-1+4

Answer

a_n=a_n-1-7

Answer

a_n=a_n-1-4

Answer

a_n=a_n-1+3

Question 28

What type of function is y = 7(5/4)^x?

Accepted Answer

Exponential Growth

Answer

Exponential Decay

Answer

Linear

Answer

None of the above

Question 29

Is the pictured graph growth, decay, or linear or none?

Accepted Answer

Growth

Answer

Decay

Answer

Linear

Answer

None

Question 30

What does Hakuna Matata mean?

Accepted Answer

No worries

Answer

Live for the Moment

Answer

Circle of Life

Answer

Bless You

Question 31

A population of 2200 beetles is too large to sustain and decreases in population each month at a rate of 5%. How would you write your decay factor, b?

Accepted Answer

.95

Answer

-5

Answer

-.05

Answer

.05

Question 32

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 rocket hit the ground?

Accepted Answer

6 seconds

Answer

7 seconds

Answer

3 seconds

Answer

8 seconds

Question 33

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 34

What is the green dashed line called?

Accepted Answer

axis of symmetry

Answer

roots or x-intercepts

Answer

parabola

Question 35

What is the equation for axis of symmetry?

Accepted Answer

x=3

Answer

y=3

Answer

x=5

Answer

x=1

Question 36

Does this parabola have a maximum or minimum?

Accepted Answer

minimum

Answer

maximum

Question 37

What is the range of this function?

Accepted Answer

y > -2

Answer

all real numbers

Answer

x > 0

Answer

x < 6

Question 38

What is the range of this quadratic function?

Accepted Answer

y < 4

Answer

x >  0

Answer

all real numbers

Answer

x < 5

Question 39

What is the vertex of the graph?

Accepted Answer

(2,4)

Answer

(-2,-4)

Answer

(4,2)

Answer

(-4,-2)

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