Slope
Solving Equations
Linear Equations
Inverse Variation
Mixed Review
100
What is the definition of slope?
What is how steep a line is on a graph or rise over run.
100
What is the form of a linear equation?
y=mx+b
100
What represents the slope in y = mx + b
m
100
Describe how you know a table represents inverse variation?
The pattern decrease by smaller amounts each time.
100
What correlation do two variables have that are completed unrelated?
0
200
What is the slope of (1,2) and (2,5)?
3
200
Solve the following equation: 2x + 3 = 13
x = 5
200
What does it mean for an equation to be linear?
The equation is changing by a constant amount and the graph is represented by a straight line. What does it mean for an equation to be linear?
200
How do you know an equation is inverse variation?
It is divided by the variable.
200
Estimate the correlation coefficient for age vs speed in children.
.5-.9
300
What does the slope look like if it is 0?
a horizontal line.
300
Solve for x: 3(x + -9) = -15
x = 4
300
What is the equation of the line with a slope of -1/2 and passing through the point (0, 3)?
y= -1/2x + 3?
300
What is the equation for an inverse variation graph passing through the point (3,20)?
y = 60/x
300
Find the mean of the following numbers: 4, 4, 10, 12.
7.5
400
Find the slope of this line.
-2/3
400
Solve for x: 5 (x + 6) = 56
x = 26/5 or 5 1/5
400
What is the equation of the line going through the points (2,4) and (0,-3)?
y= 3.5x - 3
400
Name a situation that represent inverse variation.
Answer varies.
400
Estimate the Correlation Coefficient of height vs. assists in basketball?
-.4 - -.8
500
What is the slope of a vertical line?
undefined
500
3(1x + 4) = 3x + 12
"all real numbers"
500
What is the equation of the line going through the points (1,1) and (-1,1)?
y= 1?
500
What is the term for a line that approaches a line or axis but never reaches it?
asymptote
500
Find the standard deviation of the following set of numbers: {3, 11}
5.66