Free Printable ALG:DA4

1.

Which graph shows a direct proportion?

a)

b)

c)

d)

2.

Which equation does NOT show a direct proportion?

a)

$y\ =\ 2.853x$

b)

$y\ =\ \frac{x}{3}$

c)

$y\ =3x\ +\ 1$

d)

$y\ =\ 6x$

3.

Which of these represents point-slope form of a linear equation?

a)

y - y₁ = m(x - x₁)

b)

Ax + By = C

c)

y = mx + b

4.

Write the equation in point-slope form

for the line that contains the points

(3, -5) and (5, - 1)

a)

y - 5 = 2(x + 3)

b)

y + 5 = 2(x - 3)

c)

y - 3 = 2(x + 5)

d)

y + 3 = 2(x - 5)

5.

Which equation would be PARALLEL to the given line?

y=-\frac{7}{3}x+5

a)

$y=\frac{3}{7}x+3$

b)

$y=7x-2$

c)

$y=-\frac{1}{3}x+5$

d)

$y=-\frac{7}{3}x-8$

6.

Are these lines parallel?
y = 12x + 4
y = 12x +14

a)

YES

b)

NO

7.

Write the equation of a line passing through the point, PERPENDICULAR to the given line.

a)

$y=-3x-2$

b)

$y=-3x+2$

c)

$y=\frac{1}{3}x+4$

d)

$y=\frac{1}{3}x+\frac{2}{3}$

8.

Sam ordered 4 tacos and 5 enchiladas for lunch at the restaurant. His bill came to $10.80. Which equation matches the given situation?

a)

4x + 3y = 8.10

b)

4x + 5y = 10.80

c)

4x - 5y = 10.80

d)

4x + 10.80y = 5

9.

A baseball coach graphs some data and finds the line of best fit. The equation for the line of best fit is y = 0.32x – 20.51, where x is the number of times at bat and y is the number of hits. How many hits should he expect from a player who is at bat 175 times?

a)

35 hits

b)

45 hits

c)

609 hits

d)

62 hits

10.

Estimate the correlation coefficient for this scatterplot.

a)

A) r = 1.2

b)

B) r = 0.89

c)

C)r = 0

d)

D) r = -0.89

11.

Describe the correlation in the graph shown.

a)

A) Strong Negative

b)

B) Strong Positive

c)

C) Weak Negative

d)

D) No Correlation

12.

Which with is the line of best fit?

a)

A) Black

b)

B) Orange

c)

C) Red

d)

D) Blue

13.

Time spent exercising and the number of calories you burn.

a)

Causation

b)

Association

14.

The number of caps you own and the size of your head.

a)

Causation

b)

Association

15.

A teenager passing a driver's test and his parent knocking on wood.

a)

Causation

b)

Association

ALG:DA4

Total questions: 15

Worksheet time: 1hrs 8mins

Similar Resources on Wayground