examview - slope-intercept quiz the equation that describes the line with slope = 2 and y ... 5-6.1...

Name: ________________________ Class: ___________________ Date: __________ ID: A

1

Slope-Intercept Quiz

____ 1. Graph the line with the slope −1

2 and y-intercept –3.

a. c.

b. d.

____ 2. Write the equation that describes the line with slope = 2 and y-intercept = 3

2 in slope-intercept form.

a. 2x + y = 3

2c. y = 2x +

3

2

b. y = 3

2x + 2 d. x = 2y +

3

2

BONUS

____ 3. What is an equation of the line that passes through the point (4,−6) and has a slope of −3?

a. y = −3x + 6 c. y = −3x + 10

b. y = −3x − 6 d. y = −3x + 14

Name: ________________________ ID: A

2

____ 4. What is an equation of the line that passes through the point (3,−1) and has a slope of 2?

a. y = 2x + 5 c. y = 2x − 4

b. y = 2x − 1 d. y = 2x − 7

Short Answer

5. A line having a slope of 3

4 passes through the point (−8,4). Write the equation of this line in slope-intercept

form.

ID: A

1


Answer Section

MULTIPLE CHOICE

1. ANS: D

Plot the y-intercept –3 on the graph at (0, –3). The slope is −1

2, so from the y-intercept, rise –1 units and run 2

units. Plot another point. Connect the points to graph the line.

Feedback

A The y-intercept should lie on the y-axis.

B Slope is rise over run.

C In the form y = mx + b, m is the slope and b is the y-intercept.

D Correct!

PTS: 1 DIF: Basic REF: 34

OBJ: 5-6.1 Graphing by Using Slope and y-intercept NAT: 12.5.3.d

STA: 8.G.17 TOP: 5-6 Slope-Intercept Form

ID: A

2

2. ANS: C

The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept. Substituting 2 for the

slope and 3

2 for the y-intercept gives y = 2x +

3

2.

Feedback

A Slope-intercept form is y = mx + b.

B The slope should multiply x. The y-intercept is added to or subtracted from the product

of the slope and x.

C Correct!

D Slope-intercept form is y = mx + b.

PTS: 1 DIF: Basic REF: Page 335

OBJ: 5-6.2 Writing Linear Equations in Slope-Intercept Form NAT: 12.5.3.d

STA: A.A.34 TOP: 5-6 Slope-Intercept Form

KEY: slope | y-intercept | slope-intercept form

3. ANS: A

y = mx + b

−6 = (−3)(4) + b

b = 6

PTS: 2 REF: 060922ia STA: A.A.34 TOP: Writing Linear Equations

4. ANS: D

y = mx + b

−1 = (2)(3) + b

b = −7


SHORT ANSWER

5. ANS:

y =3

4x + 10. y = mx + b

4 =3

4(−8) + b

4 = −6 + b

10 = b


Name: ________________________ Class: ___________________ Date: __________ ID: B

1


____ 1. Graph the line with the slope 1


a. c.

b. d.

____ 2. Write the equation that describes the line with slope = −1 and y-intercept = −9

2 in slope-intercept form.

a. x = –y – 9

2c. y = −

9

2x – 1

b. –x + y = −9

2d. y = –x –

9

2

BONUS


a. y = −3x + 10 c. y = −3x + 14

b. y = −3x + 6 d. y = −3x − 6

Name: ________________________ ID: B

2


a. y = 2x − 4 c. y = 2x + 5

b. y = 2x − 1 d. y = 2x − 7

Short Answer



form.

ID: B

1


Answer Section

MULTIPLE CHOICE

1. ANS: B

Plot the y-intercept –1 on the graph at (0, –1). The slope is 1

2, so from the y-intercept, rise 1 units and run 2


Feedback

A Slope is rise over run.

B Correct!

C The y-intercept should lie on the y-axis.

D In the form y = mx + b, m is the slope and b is the y-intercept.




ID: B

2

2. ANS: D

The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept. Substituting −1 for the

slope and −9

2 for the y-intercept gives y = –x –

9

2.

Feedback

A Slope-intercept form is y = mx + b.

B Slope-intercept form is y = mx + b.

C The slope should multiply x. The y-intercept is added to or subtracted from the product

of the slope and x.

D Correct!





3. ANS: B

y = mx + b

−6 = (−3)(4) + b

b = 6


4. ANS: D

y = mx + b

−1 = (2)(3) + b

b = −7


SHORT ANSWER

5. ANS:

y =3

4x + 10. y = mx + b

4 =3

4(−8) + b

4 = −6 + b

10 = b


Name: ________________________ Class: ___________________ Date: __________ ID: C

1


____ 1. Graph the line with the slope 1


a. c.

b. d.

____ 2. Write the equation that describes the line with slope = −2

3 and y-intercept = −2 in slope-intercept form.

a. y = −2

3x – 2 c. x = −

2

3y – 2

b. −2

3x + y = −2 d. y = −2x –

2

3

BONUS


a. y = −3x − 6 c. y = −3x + 14

b. y = −3x + 6 d. y = −3x + 10

Name: ________________________ ID: C

2


a. y = 2x − 4 c. y = 2x + 5

b. y = 2x − 7 d. y = 2x − 1

Short Answer



form.

ID: C

1


Answer Section

MULTIPLE CHOICE

1. ANS: D

Plot the y-intercept –3 on the graph at (0, –3). The slope is 1

2, so from the y-intercept, rise 1 units and run 2


Feedback

A The y-intercept should lie on the y-axis.

B In the form y = mx + b, m is the slope and b is the y-intercept.

C Slope is rise over run.

D Correct!




ID: C

2

2. ANS: A

The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept. Substituting −2

3 for the

slope and −2 for the y-intercept gives y = −2

3x – 2.

Feedback

A Correct!

B Slope-intercept form is y = mx + b.

C Slope-intercept form is y = mx + b.

D The slope should multiply x. The y-intercept is added to or subtracted from the product

of the slope and x.





3. ANS: B

y = mx + b

−6 = (−3)(4) + b

b = 6


4. ANS: B

y = mx + b

−1 = (2)(3) + b

b = −7


SHORT ANSWER

5. ANS:

y =3

4x + 10. y = mx + b

4 =3

4(−8) + b

4 = −6 + b

10 = b


examview - slope-intercept quiz the equation that describes the line with slope = 2 and y ... 5-6.1...

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