Quiz about EOC Math 1 Review

Question 1

There are 3 consecutive integers (x, x+1, x+2) twice the first is 20 more than the second. Find the largest number.

Equation: 2x = x + 1 +20

Accepted Answer

23

Answer

21

Answer

24

Answer

22

Question 2

Find the slope of the line that passes through (10, -8) and (1, 12).

*( y2-y1)/ (x2-x1)

Accepted Answer

-20/9

Answer

20/9

Answer

4/9

Answer

9/4

Question 3

Write the equation for the line in slope-intercept form.

Accepted Answer

y= 4x+3

Answer

y= -1x+3

Answer

y=1/4x+3

Answer

y= -4x+3

Question 4

^{What is the solution?}

Accepted Answer

(1, -1)

Answer

1

Answer

-2

Answer

(1, 2)

Question 5

The school that Stefan goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. Which equations represents the system that could be used?

Accepted Answer

3s + 1c = 38
3s + 2c = 52

Answer

1s + 3c = 38
2s + 3c = 52

Answer

s + c = 38
s + c = 52

Answer

3s + 3c = 38
1s + 2c = 52

Question 6

What is the slope of a line parallel to the line whose equation is: -2x + y = - 7?

*Remember to convert to y = mx + b

*Parallel lines have the same slope

Accepted Answer

2

Answer

-2

Answer

1/2

Answer

-1/2

Question 7

A line is perpendicular to y = 2x - 7. What is the slope of this line?

*perpendicular slopes are opposite and flipped.

Accepted Answer

-1/2

Answer

-2

Answer

1/2

Answer

2

Question 8

Find the equation

Accepted Answer

y=4x+3

Answer

y=8x+3

Answer

y=8(x-1)+3

Answer

y=4(x-1)+3

Answer

y=3x+8

Question 9

What are the green dots called?

Accepted Answer

roots or x-intercepts

Answer

axis of symmetry

Answer

vertex

Answer

parabola

Question 10

What is the equation for this parabola in factored form?

*Remember to set each factor equal to 0, to find the solutions.

Accepted Answer

y=(x+2)(x-1)

Answer

y=(x-2)(x+1)

Answer

y=(x-2)(x-1)

Answer

y=(x+2)(x+1)

Question 11

What are the roots of the function?

Accepted Answer

{x|x = -4, 1}

Answer

{x|x = 4, -1}

Answer

(-4, 1)

Answer

(4, 0) (-1, 0)

Question 12

The mice population is 25,000 and is decreasing by 20% each year. What will be the mice population after 3 years?

y = a(1-r) ^x

Accepted Answer

12,800

Answer

15,777

Answer

102, 475

Answer

2,500

Question 13

Write and exponential function for the following problem: Mrs. Madison starts the year off with 100 pencils. Each week, half of the pencils disappear. How many would be left after x weeks?

Accepted Answer

$$y=100\left(\frac{1}{2}\right)^x$$

Answer

$$y=100\left(2\right)^x$$

Answer

$$y=2x\ +\ 100$$

Answer

$$y=\left(\frac{1}{2}\right)^x$$

Question 14

Solve by substitution.

x + 2y = 2 x = -4y + 2

*Plug -4y +2 into the x spot in first equation

Accepted Answer

(2, 0)

Answer

(-3, 0)

Answer

(0, 2)

Answer

(-3, -2)

Question 15

$$\left(3u^2v^3\right)^2$$

Accepted Answer

$$9u^4v^6$$

Answer

$$9u^4v^5$$

Answer

$$6u^4v^5$$

Answer

$$6u^4v^6$$

EOC Math 1 Review

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