Which relation is displayed in the table?

{(3, 3), (3, 7), (5, 8), (9, 0)}

{(3, 3), (7, 3), (8, 5), (0, 9)}

Compare the function y = 3 x − 2 y\ =\ 3x-2 y = 3 x − 2 to the function represented in the graph. Select all that are true.

The functions have the same y-intercept

The functions have a positive slope

The functions have the same slope

Which relation is a function?

{(1, 2), (2, 3), (3, 4), (4, 5)}

{(0, 2), (0, 4), (0, 6), (0, 8)}

{(1, 2), (2, 1), (1, 3), (3, 1)}

{(1, 2), (2, 3), (3, 4), (1,6)}

Consider the given function. Select all that are true.

The function is increasing from x = -5 to x = -2

The function is constant from x = -2 to x = 1

The function is decreasing from x = 1 to x = 8

The function is decreasing from x = 5 to x = -2

Semester Review - PreAlgebra

Authored by Annie Adams

Mathematics

8th Grade

CCSS covered

Used 91+ times

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18 questions

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the value of the expression? $\frac{\left(-2\right)^0}{2^2}$

$\frac{1}{16}$

$\frac{1}{4}$

$-\frac{1}{4}$

Tags

CCSS.8.EE.A.1

FILL IN THE BLANK QUESTION

2 mins • 1 pt

$\left(6.45\ \times10^6\right)\ \cdot720,000$
Multiply. Enter your answer in scientific notation in the box.

Tags

CCSS.8.EE.A.4

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Approximately how many times greater is $6\times10^{-5}$ than $5\times10^{-9}$

120

1,200

12,000

120,000

Tags

CCSS.8.EE.A.4

FILL IN THE BLANK QUESTION

2 mins • 1 pt

What's the value of a?

$a+1-2=4$

Tags

CCSS.6.EE.B.7

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Jenny and Ahmed have part time jobs. The amount Ahmed earns is represented in the table.

The amount that Jenny earns is represented by the equation
$y=9.5x$ , where x is the number of hours worked and y is the total pay.

Choose all that are true

Jenny earns more than Ahmed per hour

Jenny earns less than Ahmed per hour

Jenny earns $9.50 each hour

Ahmed earns $8.25 each hour

Tags

CCSS.8.EE.B.5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Will bought 4 slices of pizza for $6.00

Let x represent the number of slices of pizza purchased and let y represent the total cost.

Which graph represents the relationship between pizza slices bought and cost?

Tags

CCSS.8.EE.B.5

MULTIPLE SELECT QUESTION

2 mins • 1 pt

How could you graph the equation
$y\ =\ -\frac{1}{2}x-6$

Use -6 as the y-intercept and find the next point by going down 1 in the y direction and over 2 in the x direction

Use the equation to find the x and y intercepts and draw a line

Use the equation and plug in different numbers for x to find the corresponding y value. Plot the ordered pairs on the line.

Start at -1/2 on the y-axis and go down 6 in the y direction and over 1 in the x direction to find the next point.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the equation of the line?

$y\ =\ -\frac{1}{2}x$

$y\ =\ 2x$

$y=\frac{1}{2}x$

$y\ =\ -2x$

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

10.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How many solutions does the equation have?
$4\left(2a-4\right)+3\ =\ 8a-19$

Infinitely many

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Semester Review - PreAlgebra

What is the value of the expression? (−2)022\frac{\left(-2\right)^0}{2^2}22(−2)0​

(6.45 ×106) ⋅720,000\left(6.45\ \times10^6\right)\ \cdot720,000(6.45 ×106) ⋅720,000 Multiply. Enter your answer in scientific notation in the box.

Approximately how many times greater is 6×10−56\times10^{-5}6×10−5 than 5×10−95\times10^{-9}5×10−9

What's the value of a? a+1−2=4a+1-2=4a+1−2=4

Jenny and Ahmed have part time jobs. The amount Ahmed earns is represented in the table. The amount that Jenny earns is represented by the equation y=9.5xy=9.5xy=9.5x , where x is the number of hours worked and y is the total pay. Choose all that are true

Will bought 4 slices of pizza for $6.00 Let x represent the number of slices of pizza purchased and let y represent the total cost.Which graph represents the relationship between pizza slices bought and cost?

How could you graph the equation y = −12x−6y\ =\ -\frac{1}{2}x-6y = −21​x−6

What is the equation of the line?

How many solutions does the equation have? 4(2a−4)+3 = 8a−194\left(2a-4\right)+3\ =\ 8a-194(2a−4)+3 = 8a−19

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Discover more resources for Mathematics

What is the value of the expression? $\frac{\left(-2\right)^0}{2^2}$

$\left(6.45\ \times10^6\right)\ \cdot720,000$
Multiply. Enter your answer in scientific notation in the box.

Approximately how many times greater is $6\times10^{-5}$ than $5\times10^{-9}$

What's the value of a?

$a+1-2=4$

Jenny and Ahmed have part time jobs. The amount Ahmed earns is represented in the table.

The amount that Jenny earns is represented by the equation
$y=9.5x$ , where x is the number of hours worked and y is the total pay.

Choose all that are true

Will bought 4 slices of pizza for $6.00

Let x represent the number of slices of pizza purchased and let y represent the total cost.

Which graph represents the relationship between pizza slices bought and cost?

How could you graph the equation
$y\ =\ -\frac{1}{2}x-6$

How many solutions does the equation have?
$4\left(2a-4\right)+3\ =\ 8a-19$