Quiz about 2nd SW Review Quizizz

Question 1

Which equation represents the line that passes through the point (5, 2) and has a slope of 4?

HINT: Make sure to use the point-slope formula $$y-y1=m\left(x-x1\right)$$

Accepted Answer

$$y−2=4(x−5)$$

Answer

$$y−5=4(x−2)$$

Answer

$$y+2=4(x+5)$$

Answer

$$y+5=4(x+2)$$

Question 2

Which equation represents the line that passes through the point (2, 7) and has a slope of 4?

HINT: Make sure to use the point-slope formula $$y-y1=m\left(x-x1\right)$$

Accepted Answer

$$y−7=4(x−2)$$

Answer

$$y+2=4(x+7)$$

Answer

$$y−2=4(x−7)$$

Answer

$$y+7=4(x+2)$$

Question 3

Which equation represents the line that passes through the point (1, 6) and has a slope of 3?

HINT: Make sure to use the point-slope formula $$y-y1=m\left(x-x1\right)$$

Accepted Answer

$$y−6=3(x−1)$$

Answer

$$y−1=3(x−6)$$

Answer

$$y+6=3(x+1)$$

Answer

$$y−3=1(x−3)$$

Question 4

Which equation represents the line that passes through the point (-2, -1) and has a slope of -3?

HINT: Make sure to use the point-slope formula $$y-y1=m\left(x-x1\right)$$

Accepted Answer

$$y+1=-3(x+2)$$

Answer

$$y+1=-3(x-2)$$

Answer

$$y-1=3(x-1)$$

Answer

$$y+2=-3(x+1)$$

Question 5

Which equation represents the line that passes through the point (2, 4) and has a slope of 5?

HINT: Make sure to use the point-slope formula $$y-y1=m\left(x-x1\right)$$

Accepted Answer

$$y-4=5(x-2)$$

Answer

$$y-2=5(x-4)$$

Answer

$$y-5=4(x-2)$$

Answer

$$y-2=4(x-5)$$

Question 6

Which equation represents the line that passes through the point (1, 7) and has a slope of 3?

HINT: Make sure to use the point-slope formula $$y-y1=m\left(x-x1\right)$$

Accepted Answer

$$y-7=3(x-1)$$

Answer

$$y-1=3(x-7)$$

Answer

$$y-3=3(x-1)$$

Answer

$$y-1=7(x-3)$$

Question 7

Which equation represents the line that passes through the point (9, -6) and has a slope of 2?

HINT: Make sure to use the point-slope formula $$y-y1=m\left(x-x1\right)$$

Accepted Answer

$$y+6=2\left(x-9\right)$$

Answer

$$y-6=2\left(x+9\right)$$

Answer

$$y-6=2\left(x-9\right)$$

Answer

$$y+6=2\left(x+9\right)$$

Question 8

Which equation represents the line that passes through the point (6, 1) and has a slope of -3?

HINT: Make sure to use the point-slope formula $$y-y1=m\left(x-x1\right)$$

Accepted Answer

$$y-1=-3(x-6)$$

Answer

$$y-6=-3(x-1)$$

Answer

$$y+6=-3(x+1)$$

Answer

$$y+1=-3(x+3)$$

Question 9

Which equation describes the line that passes through the point (0, 10) and is parallel to the line represented in the graph?

HINT: Find the m (slope) by finding the $$\frac{rise}{run}$$ from the graph. Then use the slope-intercept formula y=mx+b. Plug in the point and the slope and use MENU 31 to find b. Then use y=mx+b one more time but only plug in the m and b.

Accepted Answer

$$y=3x+10$$

Answer

$$y=\frac{-1}{3}x+10$$

Answer

$$y=\frac{-1}{3}x-10$$

Answer

$$y=3x-30$$

Question 10

Which equation describes the line that passes through the point (0, 7) and is parallel to the line represented in the graph?

HINT: Find the m (slope) by finding the $$\frac{rise}{run}$$ from the graph. Then use the slope-intercept formula y=mx+b. Plug in the point and the slope and use MENU 31 to find b. Then use y=mx+b one more time but only plug in the m and b.

Accepted Answer

$$y=4x+7$$

Answer

$$y=4x-28$$

Answer

$$y=\frac{-1}{4}x+7$$

Answer

$$y=\frac{-1}{4}x+\frac{7}{4}$$

Question 11

Which equation describes the line that passes through the point (2, 6) and is parallel to the line represented in the graph?

HINT: Find the m (slope) by finding the $$\frac{rise}{run}$$ from the graph. Then use the slope-intercept formula y=mx+b. Plug in the point and the slope and use MENU 31 to find b. Then use y=mx+b one more time but only plug in the m and b.

Accepted Answer

$$y=2x+2$$

Answer

$$y=2x+4$$

Answer

$$y=\frac{-1}{2}x+7$$

Answer

$$y=\frac{-1}{2}x+4$$

Question 12

Which equation describes the line that passes through the point (-1, 4) and is parallel to the line represented in the graph?

HINT: Find the m (slope) by finding the $$\frac{rise}{run}$$ from the graph. Then use the slope-intercept formula y=mx+b. Plug in the point and the slope and use MENU 31 to find b. Then use y=mx+b one more time but only plug in the m and b.

Accepted Answer

$$y=3x+7$$

Answer

$$y=3x+5$$

Answer

$$y=3x-13$$

Answer

$$y=3x-5$$

Question 13

Which equation describes the line that passes through the point (0, 6) and is parallel to the line represented in the graph?

HINT: Find the m (slope) by finding the $$\frac{rise}{run}$$ from the graph. Then use the slope-intercept formula y=mx+b. Plug in the point and the slope and use MENU 31 to find b. Then use y=mx+b one more time but only plug in the m and b.

Accepted Answer

$$y=4x+6$$

Answer

$$y=4x-6$$

Answer

$$y=4x-24$$

Answer

$$y=4x+24$$

Question 14

Which equation describes the line that passes through the point (0, 10) and is parallel to the line represented in the graph?

HINT: Find the m (slope) by finding the $$\frac{rise}{run}$$ from the graph. Then use the slope-intercept formula y=mx+b. Plug in the point and the slope and use MENU 31 to find b. Then use y=mx+b one more time but only plug in the m and b.

Accepted Answer

$$y=5x+10$$

Answer

$$y=5x-10$$

Answer

$$y=5x-50$$

Answer

$$y=5x+50$$

Question 15

What is the equation in slope-intercept form of the line that passes through the point $$\left(3,-3\right)$$ and is perpendicular to the line represented by $$y=\frac{3}{4}x+5$$ ?

HINT: Don't forget because it says PERPENDICULAR to FLIP and CHANGE the slope. Then use the slope-intercept formula y=mx+b. Plug in the point and the slope and use MENU 31 to find b. Then use y=mx+b one more time but only plug in the m and b.

Accepted Answer

$$y=\frac{-4}{3}x+1$$

Answer

$$y=\frac{-4}{3}x-1$$

Answer

$$y=\frac{-4}{3}x-6$$

Answer

$$y=\frac{-4}{3}x+6$$

Question 16

What is the equation in slope-intercept form of the line that passes through the point $$\left(5,-4\right)$$ and is perpendicular to the line represented by $$y=\frac{5}{2}x+3$$ ?

HINT: Don't forget because it says PERPENDICULAR to FLIP and CHANGE the slope. Then use the slope-intercept formula y=mx+b. Plug in the point and the slope and use MENU 31 to find b. Then use y=mx+b one more time but only plug in the m and b.

Accepted Answer

$$y=\frac{-2}{5}x-2$$

Answer

$$y=\frac{-2}{5}x+2$$

Answer

$$y=\frac{-2}{5}x+9$$

Answer

$$y=\frac{-2}{5}x-9$$

Question 17

Which statement best represents the equation of the line shown on the grid and its relationship to the x-axis?

HINT: Remember to use HOY:
Horizontal lines
zeroO slopes
Y=# it crosses

Accepted Answer

The equation of the line is y = 3.5, and the line is parallel to the x-axis.

Answer

The equation of the line is x = 3.5, and the line is parallel to the x-axis.

Answer

The equation of the line is x = 3.5, and the line is perpendicular to the x-axis.

Answer

The equation of the line is y = 3.5, and the line is perpendicular to the x-axis.

Question 18

Which statement best represents the equation of the line shown on the grid and its relationship to the x-axis?

HINT: Remember to use HOY:
Horizontal lines
zeroO slopes
Y=# it crosses

Accepted Answer

The equation of the line is y = -1.5, and the line is parallel to the x-axis.

Answer

The equation of the line is x = -1.5, and the line is parallel to the x-axis.

Answer

The equation of the line is x = -1.5, and the line is perpendicular to the x-axis.

Answer

The equation of the line is y = -1.5, and the line is perpendicular to the x-axis.

Question 19

Which statement best represents the equation of the line shown on the grid and its relationship to the x-axis?

HINT: Remember to use HOY:
Horizontal lines
zeroO slopes
Y=# it crosses

Accepted Answer

The equation of the line is y = 2, and the line is parallel to the x-axis.

Answer

The equation of the line is x = 2, and the line is parallel to the x-axis.

Answer

The equation of the line is x = 2, and the line is perpendicular to the x-axis.

Answer

The equation of the line is y = 2, and the line is perpendicular to the x-axis.

Question 20

An elementary school is going to send students on four field trips during the school year. The number of buses needed to transport the students is a function of the number of students who went on each trip. This function consists of only the ordered pairs (30, 2), (49, 3), (77, 4), and (136, 6). What is the domain for this situation?

HINT: Domain is the x-values, if they give you ordered pairs make sure to label ordered pairs as (x, y).

Accepted Answer

{30, 49, 77, 136}

Answer

{2, 3, 4, 6}

Answer

{30, 136}

Answer

{2, 3, 4, 6, 30, 49, 77, 136}

Question 21

A middle school is going to have students participate in four volunteer activities. The number of buses needed to transport the students is a function of the number of students who went on the volunteer trip. This function consists of only the ordered pairs (24, 1), (56, 2), (88, 4), and (112, 5). What is the domain for this situation?

HINT: Domain is the x-values, if they give you ordered pairs make sure to label ordered pairs as (x, y).

Accepted Answer

{24, 56, 88, 112}

Answer

{1, 2, 4, 5}

Answer

{24, 112}

Answer

{1, 2, 4, 5, 24, 56, 88, 112}

Question 22

A high school is going to have students apply to four different scholarship opportunities. The number of students apply to the scholarship opportunities is a function of the number of students who received the scholarship. This function consists of only the ordered pairs (30, 3), (49, 5), (120, 12), and (210, 21). What is the domain for this situation?

HINT: Domain is the x-values, if they give you ordered pairs make sure to label ordered pairs as (x, y).

Accepted Answer

{30, 49, 120, 210}

Answer

{3, 5, 12, 21}

Answer

{30, 210}

Answer

{3, 5, 12, 21, 30, 49, 120, 210}

Question 23

Function f is graphed. What is the range of f ?

HINT: Range is the y-values. Range is when you scan from BOTTOM to TOP. Also, OPEN DOT is the $$<$$ symbol and CLOSED DOT is $$\le$$ symbol.

Accepted Answer

$$\left\{y\ |\ -4

Answer

$$\left\{x\ |\ -4\le x<4\right\}$$

Answer

$$\left\{x\ |\ -4

Answer

$$\left\{y\ |\ -4\le y<0\right\}$$

Question 24

Function f is graphed. What is the range of f ?

HINT: Range is the y-values. Range is when you scan from BOTTOM to TOP. Also, OPEN DOT is the $$<$$ symbol and CLOSED DOT is $$\le$$ symbol.

Accepted Answer

$$\left\{y\ |\ -1\le y<3\right\}$$

Answer

$$\left\{x\ |\ -6\le x<6\right\}$$

Answer

$$\left\{x\ |\ -6

Answer

$$\left\{y\ |\ -1

Question 25

Function f is graphed. What is the range of f ?

HINT: Range is the y-values. Range is when you scan from BOTTOM to TOP. Also, OPEN DOT is the $$<$$ symbol and CLOSED DOT is $$\le$$ symbol.

Accepted Answer

$$\left\{y\ |\ -4\le y<0\right\}$$

Answer

$$\left\{x\ |\ -6\le x<6\right\}$$

Answer

$$\left\{x\ |\ -6

Answer

$$\left\{y\ |\ -4

Question 26

Function f is graphed. What is the range of f ?

HINT: Range is the y-values. Range is when you scan from BOTTOM to TOP. Also, OPEN DOT is the $$<$$ symbol and CLOSED DOT is $$\le$$ symbol.

Accepted Answer

$$\left\{y\ |\ -3\le y<6\right\}$$

Answer

$$\left\{x\ |\ -4\le x<5\right\}$$

Answer

$$\left\{x\ |\ -4

Answer

$$\left\{y\ |\ -3

Question 27

Function f is graphed. What is the range of f ?

HINT: Range is the y-values. Range is when you scan from BOTTOM to TOP. Also, OPEN DOT is the $$<$$ symbol and CLOSED DOT is $$\le$$ symbol.

Accepted Answer

$$\left\{y\ |\ -5

Answer

$$\left\{x\ |\ -6

Answer

$$\left\{x\ |\ -6\le x<6\right\}$$

Answer

$$\left\{y\ |\ -5\le y<1\right\}$$

Question 28

The value of y is directly proportional to the value of x. When x = 25, y = 125. What is the value of y when x = 31?

HINT: Create a PROPORTION (RKW), then use MENU 31.

Accepted Answer

155

Answer

100

Answer

7

Answer

6.2

Question 29

The value of y is directly proportional to the value of x. When x = 6, y = 30. What is the value of y when x = 100?

HINT: Create a PROPORTION (RKW), then use MENU 31.

Accepted Answer

500

Answer

18

Answer

20

Answer

80

Question 30

The value of y is directly proportional to the value of x. When x = 9, y = 54. What is the value of y when x = 15?

HINT: Create a PROPORTION (RKW), then use MENU 31.

Accepted Answer

90

Answer

81

Answer

2.5

Answer

32.4

Question 31

Which graph best represents $$y=-5\left(x+4\right)+3$$ ?

HINT: On your calculator make a New Document, Add a Graph, and Graph the given equation and check which answer choice matches exactly. Make sure to verify a specific point such as the x-intercept.

Accepted Answer

Question 32

Which graph best represents $$y=-6\left(x+5\right)-4$$ ?

HINT: On your calculator make a New Document, Add a Graph, and Graph the given equation and check which answer choice matches exactly. Make sure to verify a specific point such as the x-intercept.

Accepted Answer

Question 33

Which graph best represents $$y=-3\left(x+2\right)-1$$ ?

HINT: On your calculator make a New Document, Add a Graph, and Graph the given equation and check which answer choice matches exactly. Make sure to verify a specific point such as the x-intercept.

Accepted Answer

Question 34

A restaurant sells pizza for the prices in the data table. Which function best models the data?

HINT: This is 8th grade math, on your calculator: Press Home, Make a New Document, Add Lists & Spreadsheet, Label the first column as x and the second column as y, enter all data that is provided in the problem, then press Home, Add Data & Statistics (Purple Page), Label the X and Y axis, then Press Menu 461. This will create the equation that best fits the data.

Accepted Answer

$$y=1.5x+12$$

Answer

$$y=12x+1.5$$

Answer

$$y=0.67x-8$$

Answer

$$y=-8x+0.67$$

Question 35

A person is traveling by car from the valley through the state of Texas. They record their miles driven in a data table. Which function best models the data?

HINT: This is 8th grade math, on your calculator: Press Home, Make a New Document, Add Lists & Spreadsheet, Label the first column as x and the second column as y, enter all data that is provided in the problem, then press Home, Add Data & Statistics (Purple Page), Label the X and Y axis, then Press Menu 461. This will create the equation that best fits the data.

Accepted Answer

$$y=61.93x-1.79$$

Answer

$$y=-1.79x+61.93$$

Answer

$$y=0.016x+0.03$$

Answer

$$y=0.03x+0.016$$

Question 36

An ice cream store is conducting a study to find a relationship between the outdoor temperature and the amount of money they earn from ice cream sales. Which function best models the data?

HINT: This is 8th grade math, on your calculator: Press Home, Make a New Document, Add Lists & Spreadsheet, Label the first column as x and the second column as y, enter all data that is provided in the problem, then press Home, Add Data & Statistics (Purple Page), Label the X and Y axis, then Press Menu 461. This will create the equation that best fits the data.

Accepted Answer

$$y=4.19x-163.41$$

Answer

$$y=163.41x+1.49$$

Answer

$$y=-163.41x+4.19$$

Answer

$$y=-4.19x+163.41$$

2nd SW Review Quizizz

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