Linear Equations Quiz Review (10 points)

At the beginning of the summer, Jenna had $141 in her savings account. To earn money over the summer, she is working part time at the local community center. She will earn $32 per day of work. If x represents the number of days she works, which of the following equations represents how much money she will have, including her savings?

• y = 141-32x

• y = x + 141

• y = 32x + 141

• y = 141x + 32

Tags

CCSS.6.EE.C.9

Which graph represents $y=-\frac{3}{2}x+4$  ?

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• 
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Which graph represents $2x-5y=-10$  ?

**Hint - solve for y!

• 
• 
• 

What is the x-intercept of  $5x-10y=30$  ?

**Hint: when the line crosses the x-axis, which value is zero in the ordered pair? Is it  x or y?

• x = -10

• x = -6

• x = 6

What is the y-intercept of  $8x+4y=-48$  ?

**Hint: when the line crosses the y-axis, which value is zero? Is it x or y?

• y = 6

• y = -6

• y = -12

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What does "b" represent in y = mx + b?

• y-intercept

• beans

• nothing

• slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which statement best describes "m"?

• x- intercept

• y - intercept

• slope

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the y-intercept of the line graphed below?

• (0,3)

• (0,4)

• (0,-3)

• (0,4/3)

Find the slope from the table. **Use the slope formula

y2-y1 OR change in y

x2-x1 change in x

• -4

• 1

• 4

Tags

CCSS.8.EE.B.5

What type of slope does the following graph have?

• Postive
• Negative
• Zero Slope
• Undefined

Tags

CCSS.8.EE.B.5