Quiz about Units 3, 4, & 5 Vocabulary Quiz

Question 1

A function with a constant rate of change that is a straight line when graphed.

Accepted Answer

Linear function

Answer

Exponential function

Answer

Quadratic function

Answer

Polynomial function

Question 2

Which of the following is NOT a method for solving systems of equations?

Accepted Answer

nSolve

Answer

Graphing

Answer

Substitution

Answer

Elimination

Answer

Matrices

Question 3

Which variable do we use to represent the correlation coefficient?

Accepted Answer

r

Answer

m

Answer

b

Answer

x

Question 4

Which of the following are true when graphing a linear inequality?

(SELECT ALL THAT APPLY)

Accepted Answer

Shade above for $$>$$ and $$\ge$$ ; Shade below for $$<$$ and $$\le$$ .

Accepted Answer

Solid lines for $$\le$$ and $$\ge$$ ; Dashed lines for $$<$$ and $$<$$ .

Accepted Answer

Any point in the shaded area makes the equation true.

Answer

Shade above for positive slopes; Shade below for negative slopes.

Answer

The line is solid when the y-intercept is positive and dashed when the y-intercept is negative.

Question 5

In a system of equations, if two distinct lines have the same slope they are ____________ lines and have no solution.

Accepted Answer

Parallel

Answer

Intersecting

Answer

Perpendicular

Answer

Positive

Question 6

If two distinct linear equations have slopes that are negative reciprocals they are ____________ lines and intersect at a right angle.

Accepted Answer

Perpendicular

Answer

Positive

Answer

Parallel

Answer

Negative

Question 7

Which of the following graphs/scatter plots have a positive slope/positive correlation?

(SELECT ALL THAT APPLY)

Accepted Answer

Accepted Answer

Question 8

Which of the following graphs/scatter plots have a negative slope/negative correlation?

(SELECT ALL THAT APPLY)

Accepted Answer

Accepted Answer

Question 9

Which form of linear equations is best used for graphing?

Accepted Answer

$$y=mx+b$$

Answer

$$Ax+By=C$$

Answer

$$y-y_1=m(x-x_1)$$

Answer

$$m=\frac{y_2-y_1}{x_2-x_1}$$

Question 10

Which form of linear equations is useful when you know at least one point and the slope?

Accepted Answer

$$y-y_1=m(x-x_1)$$

Answer

$$Ax+By=C$$

Answer

$$y=mx+b$$

Answer

$$m=\frac{y_2-y_1}{x_2-x_1}$$

Question 11

Which form of linear equations is useful when solving a system of equations using matrices or elimination?

Accepted Answer

$$Ax+By=C$$

Answer

$$y=mx+b$$

Answer

$$y-y_1=m(x-x_1)$$

Answer

$$m=\frac{y_2-y_1}{x_2-x_1}$$

Question 12

Which formula can help you find the slope of a line when given two points?

Accepted Answer

$$m=\frac{y_2-y_1}{x_2-x_1}$$

Answer

$$Ax+By=C$$

Answer

$$y=mx+b$$

Answer

$$y-y_1=m(x-x_1)$$

Question 13

The slope of a line can also be referred to as _______.

(SELECT ALL THAT APPLY)

Accepted Answer

Rate of Change

Accepted Answer

$$\frac{rise}{run}$$

Accepted Answer

$$m=\frac{y_2-y_1}{x_2-x_1}$$

Answer

Correlation

Answer

Regression

Question 14

A straight, horizontal line on the coordinate plane where all points on the line have the same y-coordinate has this kind of slope.

Accepted Answer

Zero Slope

Answer

Positive Slope

Answer

Negative Slope

Answer

Undefined Slope

Question 15

A straight, vertical line on the coordinate plane where all points on the line have the same x-coordinate has this kind of slope.

Accepted Answer

Undefined Slope

Answer

Positive Slope

Answer

Negative Slope

Answer

Zero Slope

Question 16

A straight line that is increasing from left to right has this kind of slope.

Accepted Answer

Positive Slope

Answer

Negative Slope

Answer

Zero Slope

Answer

Undefined Slope

Question 17

A straight line that is decreasing from left to right has this kind of slope.

Accepted Answer

Negative Slope

Answer

Positive Slope

Answer

Zero Slope

Answer

Undefined Slope

Question 18

Which of the following words describe the relationship between a set of data with two variables?

(SELECT ALL THAT APPLY)

Accepted Answer

Association

Accepted Answer

Correlation

Answer

Regression

Answer

Reciprocal

Answer

Direct Variation

Question 19

Which of the following can be found where the graph of a linear function intersects the x-axis?

(SELECT ALL THAT APPLY)

Accepted Answer

Solution of a Linear Function

Accepted Answer

Zero of a Linear Function

Accepted Answer

Root of a Linear Function

Accepted Answer

x-intercept

Answer

Direct Variation

Question 20

Which of the following is a solution to this system of inequalities?

(SELECT ALL THAT APPLY)

Accepted Answer

Any point in the purple shaded area.

Accepted Answer

Any point on the solid line boundary.

Answer

Any point in the red or blue shaded area.

Answer

The point where the two lines intersect.

Answer

Any point on the dashed line boundary.

Question 21

What information can you NOT find out about a set of data by using linear regression?

Accepted Answer

If the data shows causation.

Answer

The line of best fit.

Answer

The correlation coefficient.

Answer

If the correlation is positive or negative.

Answer

If the correlation is weak or strong.

Question 22

The equation $$y=kx$$ is used for ________.

Accepted Answer

Direct Variation

Answer

Linear Regression

Answer

Causation

Answer

Standard Form

Question 23

Which of the following represents the linear parent function?

(SELECT ALL THAT APPLY)

Accepted Answer

Accepted Answer

$$y=x$$

Answer

$$y=mx+b$$

Answer

$$Ax+By=C$$

Question 24

If a scatter plot shows no correlation, the correlation coefficient will be_______.

Accepted Answer

Close to 0

Answer

Positive

Answer

Negative

Answer

Close to 1 or -1

Question 25

If data shows association/correlation, then it also shows causation. This is true______

Accepted Answer

Sometimes, it depends if one change directly causes another change.

Answer

Never, they have nothing to do with each other.

Answer

All the time, they mean the exact same thing.

Answer

Only if the association is positive.

Answer

Only if the association is negative.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics