Scatter Plots, Linear Equations, Slope, Y-Intercept

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

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

A line is formed by the two points listed, what is the equation of the line perpendicular to this line that intersects at the first point (2,-2):

• y=3x

• y=-1/3x

• y=3x-8

• y= −⅓x -1⅓

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

Based on the functions listed above what is the value of f(-1/3)

• 5

• 8.5

• 11.5

• 13

Which of the following is perpendicular to y=5

• x=5

• y= -5x

• y= -1/5x

• x = -5y