Functions Equations of Lines Scatter Plots

Given a line goes through the points (-4,3) and (-2,-1) which of the following is the equation of the line in point slope form? 

• y=-2x-11

• y+4=2(x-3)

• y-3=2(x-4)

• y-3=-2(x+4)

Which of the following equations is an equivalent equation to the given equation in Standard Form? 

• y=7+2x

• y = 2x+7

• 10x+5y=35

• -10x+5y=35

Which of the following is the equations of the graph in Standard Form?

• y= -5/4x +4

• y+5= -5/4 (x+4)

• 4x+5y=20

• 5x+4y=20

Which of the following is a equivalent function in Slope-Intercept form?

• -15x+9y=-36

• -15x+9y=36

• y= -15/9x + 36

• y= -1 ⅔x +4

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the (Zero/Root/Solution/X-intercept) of the equation listed?

• -6

• -5

• -5/6

• 6/5

The following equations are parallel to the equation -3x-6y=30:

• 2x-y=15, y=-3x+1

• 4y=20-2x , 5x+10y=10, x=18-2y 

• 2x-y=15, 4y=20-2z, x=18-2y

• 2x-y=15, 6-2y=4x

Write the equation of the line in slope intercept form:

• -2x+6y=-1/4

• y-6=-1/4(x-2)

• y=-1/4x + 6

• y=-1/4x+5.5

Based on the scatter plot what type of correlation is shown between missed classes and exam scores?

• Positive

• Negative

• No Correlation

• Not Enough Information

Based on the scatter plot of child's height to weight, which of the following could be the line used to predict the weight of a child based on the height?

• f(x)= 10x +10

• f(x)= 5/8x +15

• f(x)=x+20

• f(x)=15x+1

• a) f(x)=8.5x+20
  b) 19 hours makes a 40 hour week
• a) f(x)=20x+8.5
  b) 286 hours per term 
• a) f(x)=8.5x+20y
  b) 9 Hours
• a) f(x)= 20x+8.5y 
  b) 20 hours

Tags

CCSS.8.EE.C.8C