Slopes and Y Intercepts in Graphs

What is a y-intercept?

• The value of y when x is zero

• The value of x when y is zero

• Slope

• where a line intersects the x-axis

In the linear equation

y = mx + b,

what does m stand for?

• Slope

• y-intercept

• Solution

• x-intercept

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Identify the following as vertical, horizontal or neither

A line that has an undefined slope

• Vertical

• Horizontal

• Neither

Tags

CCSS.8.EE.B.5

Slopes of parallel lines are...

• opposite reciprocals

• the same

• opposites

• always 7

Tags

CCSS.8.EE.B.5

Graph a line that has a slope of -4 and a y-intercept of 2.

Slope:​ ​ (a)  

Y-intercept:​ (b)   ​ ​

• 9/4

• -5

• 4/9

• 5

• -9/4

• -4/9

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Match the correct statement to the graph that matches. Remember "m" is slope and "b" is y-intercept!

• Graph has negative m and a positive b.

• 
• Graph has positive m and a positive b.

• 
• Graph has positive m and a negative b.

• 
• Graph has negative m and a negative b.

• 

Tags

8.4.C

Consider the following word problem. A job opening at Chik Fil A offers to pay $15 per hour plus a $50 hiring bonus. ​ (a)   is the number that repeats (slope) ​ (b)   is the one time fee (y-intercept)

• 15

• 50

Tags

CCSS.HSF.LE.B.5

Consider the following word problem. A job opening at Chik Fil A offers to pay $15 per hour plus a $50 hiring bonus. ​ (a)   is the number that repeats (slope) ​ (b)   is the one time fee (y-intercept)

• 15

• 50

Tags

CCSS.HSF.LE.B.5

Slopes of perpendicular lines are...

• opposite reciprocals (flip-flip)

• the same

• opposite

• always 7

Tags

CCSS.8.EE.B.6