AMU MATH 110 week 1 test answers American Military University 02

# AMU MATH 110 Test Week 1-02

## Part 1 of 25

Question 1 of 25

Determine the slope and the y-intercept for the linear equation:

y = – 7x

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

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

C. None of these

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

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

## Part 2 of 25

Question 2 of 25

Choose the location of the point (0, – 5)

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

In which quadrant does the point (- 10, 3) lie?

A. Quadrant I

B. Quadrant II

C. Quadrant III

D. Quadrant IV

## Part 4 of 25 –

Question 4 of 25

The equation of a line is 7x – 2y = 14. The intercepts should be written as ordered pairs – in parentheses and with a comma between the coordinates.

It’s x-intercept is:

It’s y-intercept is

## Part 5 of 25

Question 5 of 25 The equation of a line is x = 4. Its intercepts are:

A. x-intercept: (4, 0) y-intercept: There is no y-intercept

B. x-intercept: There is no x-intercept. y-intercept: (0,4)

C. x-intercept: (4, 0) y-intercept: (0, 0)

D. x-intercept: (4, 0) y-intercept: (0, 4)

## Part 6 of 25

Question 6 of 25

The point A is located 6 units to the right 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. (-6, -7)

G. (-7, -6)

H. (-7, 6)

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## Part 7 of 25

Question 7 of 25

Three corners of a rectangle are located at (20, 2), (-10, 2), and (-10, 8). Find the location of the fourth corner.

Hint: It may be easiest if you plot the points!

A. (8, 20)

B. (2, -10)

C. (20, 8)

D. None of these.

E. (-10, 20)

## Part 8 of 25

Question 8 of 25

A line perpendicular to the x-axis is called

## Part 9 of 25

Question 9 of 25

If (3, b) is a solution of the equation 3x – 2y = 17, what is b?

A. b = 4

B. b = -4

C. None of these

D. b = 11/3

E. b = 23/3

## Part 10 of 25

Question 10 of 25

Choose the coordinates of point G.

A. (2, 0)

B. (- 6, 0)

C. (0, 2)

D. (4, 0)

## Part 11 of 25

Question 11 of 25

Determine the slope and the y-intercept for the linear equation:

4x + y + 8 = 0

A. The slope is – 4 and the y-intercept is (0, – 8)

B. The slope is – 4 and the y-intercept is (0, – 2)

C. The slope is – 4 and the y-intercept is (0, 2)

D. The slope is 4 and the y-intercept is (0, – 8)

E. None of these.

## Part 12 of 25

Question 12 of 25

Write the equation of the line with a slope of – 7 and a y-intercept of (0, 5) in slope-intercept form.

The equation is y=-7x+5

## 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.

x-y=-7

x+y=7

A. These lines are parallel.

B. These lines are perpendicular.

C. These lines are neither parallel nor perpendicular.

## Part 15 of 25

Question 15 of 25

Calculate the slope of the line between the points (0, 0) and (2, 2/5)

A. Slope is – 2

B. None of these.

C. Slope is 2

D. Slope is – 1/5

E. Slope is 1/5

## 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 .75 and it has decreased 2.09 each year

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

C. the price in 2010 was 2.09 and it has increased .75 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

Find the slope of the straight line that passes through the following pair of points: (2, – 5) and (- 4, – 5).

The slope is undefined

## 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:

- 4x + y = 7

A. y = – 4x + 7

B. y = 4x – 7

C. None of these.

D. y = – 4x – 7

E. y = 4x + 7

## Part 20 of 25

Question 20 of 25

Choose the location of the point (0, 17)

A. Negative y-axis

B. Quadrant I Feedback: In Quadrant I, both coordinates are positive.

C. Quadrant III

D. Negative x-axis

E. Positive y-axis

F. Positive x-axis

G. Quadrant II

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

(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

If two lines have different slopes and different y-intercepts, how many points of intersection are there?

A. infinite

B. 0

C. 1

D. The answer cannot be determined from the information provided.

E. None of these.

## Part 23 of 25

Question 23 of 25

Calculate the slope of the line between the points (0, 0) and (9, 9/4)

A. Slope is – 1/4

B. Slope is – 4

C. None of these.

D. Slope is 1/4

E. Slope is 4

## Part 24 of 25

Question 24 of 25

Find the slope and the y-intercept.

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.

y = – 3x + 8

## Part 25 of 25

Question 25 of 25

Rewrite the given equation in slope-intercept form:

x+y=2

A. y = x – 2

B. None of these.

C. y = – x + 2

D. y = x + 2

E. y = – x – 2