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AMU MATH 110 week 1 test answers American Military University

# AMU MATH 110 Test Week 1

## Question 1 of 25

Identify the slope and the y-intercept of the equation:

y = – 4x + 5

A. None of these.

B. slope = 5; y-intercept is (-4, 0)

C. slope = – 4; y-intercept is (5, 0)

D. slope = 5; y-intercept is (0, -4)

E. slope = – 4; y-intercept is (0, 5)

### Part 2 of 25

## Question 2 of 25

Choose the location of the point (0, – 6)

A. Quadrant I

B. Quadrant II

C. Quadrant III

D. Quadrant IV

E. Negative y-axis

F. Positive y-axis

G. Negative x-axis

H. Positive x-axis

### Part 3 of 25

## Question 3 of 25

Choose the location of the point (- 8, – 5)

A. Quadrant I

B. Quadrant II

C. Quadrant III Feedback: In Quadrant III, both coordinates are negative.

D. Quadrant IV

E. Negative y-axis

F. Positive y-axis

G. Negative x-axis

H. Positive x-axis

Part 4 of 25 –

## Question 4 of 25

The equation of a line is 5x – 2y = 10. The intercepts should be written as ordered pairs – in parentheses and with a comma between the coordinates.

It’s x-intercept is: (2,0)

It’s y-intercept is (0,-5)

Part 5 of 25 –

## Question 5 of 25

The equation of a line is x = – 3. Its intercepts are:

A. x-intercept: (- 3, 0) y-intercept: There is no y-intercept

B. x-intercept: (- 3, 0) y-intercept: (0, 0)

C. x-intercept: (- 3, 0) y-intercept: (0, – 3)

D. x-intercept: There is no x-intercept. y-intercept: (0, – 3)

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Part 6 of 25 –

## Question 6 of 25

The point A is located 6 units to the left of the y-axis and 7 units below the x-axis. What are the coordinates of point A?

A. (-6, 7)

B. (7, -6)

C. (6, -7)

D. (-7, 6)

E. (6, 7)

F. (-7, -6)

G. (-6, -7)

H. (7, 6)

Part 7 of 25 –

## Question 7 of 25

You are at coordinates (2, 3). If you go straight right 7 units, and then straight up 4 units, what will your new coordinates be?

Part 8 of 25 –

## Question 8 of 25

Every line that is perpendicular to the line y = 5x + 6 has a slope that is …

A. equal to – 1/5

B. equal to 1/5

C. equal to 1/6

D. equal to 6

## Part 9 of 25 –

Question 9 of 25

If (a, 13) is a solution of the equation y = 2x – 5, what is a?

A. a = 1

B. a = -1

C. a = 9

D. a = -4

E. None of these

Part 10 of 25 –

## Question 10 of 25

Choose the coordinates of point H.

A. (4, 0)

B. (2, 0)

C. (0, 4)

D. (- 6, 0)

Part 11 of 25 –

## Question 11 of 25

Determine the slope and the y-intercept for the linear equation x – 3y = 6.

Be sure to write the slope as a whole number or a fraction (like 3/2) – not a decimal.

Write the y-intercept as an ordered pair – in parentheses and with commas between the coordinates.

Slope is -1 and y-intercept is (0,-2) .

## Part 12 of 25 –

Question 12 of 25

Write the equation of the line with a slope of 3 and a y-intercept of (0, 0) in slope-intercept form.

The equation is y=3x+0 .

Part 13 of 25 –

## Question 13 of 25

Determine the slope of a line parallel to a line whose slope is – 2/3

A. The slope of a parallel line is 3/2.

B. None of these.

C. The slope of a parallel line is -3/2.

D. The slope of a parallel line is 2/3.

E. The slope of a parallel line is – 2/3.

## Part 14 of 25 –

Question 14 of 25

Determine whether the given linear equations are parallel, perpendicular, or neither.

y = -9x +11

A. Neither

B. Not enough information to determine

C. Parallel

D. Perpendicular

Part 15 of 25 –

## Question 15 of 25

Calculate the slope of the line between the points (0, 0) and (9, 9/7)

A. None of these.

B. Slope is 7

C. Slope is 1/7

D. Slope is -1/7

E. Slope is – 7

Part 16 of 25 –

## Question 16 of 25

If a story problem is talking about the price of widgets since 2010 and it gives the equation p = .75x + 2.09, where x is the number of years since 2010, you know that …

A. the price in 2010 was 2.09 and it has increased .75 each year

B. the price in 2010 was .75 and it has increased 2.09 each year

C. the price in 2010 was .75 and it has decreased 2.09 each year

D. the price in 2010 was 2.09 and it has decreased .75 each year

Part 17 of 25 –

## Question 17 of 25

Match the visual description to the type of slope.

A. negative

B. undefined

C. 0

D. positive D 1. Uphill from left to right A 2. Downhill from left to right C 3. Horizontal B 4. Vertical

Part 18 of 25 –

## Question 18 of 25

Calculate the slope of the line between the points (8, 5) and (8, -3).

A. 0

B. None of these.

C. 1/8

D. Undefined

E. 1/2

Part 19 of 25 –

## Question 19 of 25

Rewrite the given equation in slope-intercept form:

10x – 5y = 50

A. None of these.

B. y = 10x + 50

C. y = 10 x – 50

D. y = – 2x + 10

E. y = 2x – 10

Part 20 of 25 –

## Question 20 of 25

Choose the location of the point (- 6, 0)

A. Positive x-axis

B. Quadrant II

C. Negative y-axis

D. Positive y-axis

E. Negative x-axis

F. Quadrant I

G. Quadrant III

H. Quadrant IV

Part 21 of 25 –

## Question 21 of 25

Complete the three ordered pairs (3, ), (7, ), (0, )

so that they are solutions to the equation:

x+y=7

A. (3, 3), (7, 7), (0, 0)

B. None of these

C. (3, 4), (7, -1), (0, 7)

D. (3, 12), (7, 0), (0, 7)

E. (3, 4), (7, 0), (0, 7)

Part 22 of 25 –

## Question 22 of 25

A line parallel to the y-axis is …

A. vertical

B. 0

C. None of these.

D. horizontal

E. undefined

Part 23 of 25 –

## Question 23 of 25

Find the slope of the line between the points (2, 6) and (4, 3).

- 3/2

B. 2/3

C. – 2/3

D. 3/2

E. None of these.

Part 24 of 25 –

## Question 24 of 25

Choose the slope and y-intercept of the equation:

y = 7x

A. The slope is 7 and the y-intercept is (0, 0) Feedback: Right. You have used the slope-intercept equation of a line (y = mx + b) correctly.

B. The slope is 7 and there is no y-intercept

C. The slope is – 7 and the y-intercept is (0, 0)

D. The slope is 0 and the y-intercept is (0, 7)

E. None of these.

Part 25 of 25 –

## Question 25 of 25

Solve for y:

18x + 6y = 30

A. y = – 3x + 5

B. None of these.

C. y = 3x + 5

D. y = 3x + 25

E. y = – 3x + 25