Write the equation of the line with a slope of 15 and passing through the point (0, 0). A. y = 0 B. y = 15x C. None of these. D. x = 0 E. y = 15
Question 1 of 25 4.0/ 4.0 Points
Write the equation of the line with a slope of 15 and passing through the point (0, 0).
- A. y = 0
- B. y = 15x
- C. None of these.
- D. x = 0
- E. y = 15
Question 2 deleted
Question 3 of 25 4.0/ 4.0 Points
Write the equation in slope-intercept form, of the line passing through (7, 8) that is perpendicular to the line y = – x + 11.
The perpendicular line is y=x+1
Question 4 of 25 0.0/ 4.0 Points
The graph of a line has a slope of 5/2 and a y-intercept of (0, 3). Rewrite the equation in standard form (Ax + By = C) with a positive x-term. A, B, and C must all be integers – not decimals or fractions!
The equation of the line in standard form is 2y – 5x = 6 .
Question 5 of 25 4.0/ 4.0 Points
Write an equation in slope-intercept form of the line passing through the points (6, 26) and (7, 30).
The equation is y = 4x + 2
Question 6 of 25 4.0/ 4.0
PointsTrue or False: The point (4, 4) is a solution to the linear inequality
x – y ≤ – 1
True
False
Question 7 of 25 4.0/ 4.0
Points True or False:
This relation is a function:
{(-2, 1), (3, -4), (4, 2), (8, 1), (11, 9)}
True
False
Question 8 of 25 4.0/ 4.0 Points
Given the inequality: y > 5x + 7, which quadrants would be partially shaded?
- A. Quadrants I, III, and IV
- B. Quadrants II, III, and IV
- C. Quadrants I, II, and III
- D. Quadrants I, II, and IV
Question 9 of 25 4.0/ 4.0
PointsWhat is the equation of the line that passes through the point (3, 5) and has zero slope?
- A. x = 3
- B. y = 3
- C. x = 5
- D. y = 5
Funky functions
Question 10 of 25 0.0/ 4.0 Points
Find f(x + 1) when f(x) = 2x + 3
f(x + 1) = 2x+4
Question 11 of 25 0.0/ 4.0
PointsWhat is the range of the following relation: {(1, 8), (2, 6), (3, 9), (1, 6)}
- A. {8, 6, 9, 6}
- B. {6, 8, 9}
- C. {1, 2, 3, 1}
- D. {1, 2, 3}
Question 12 of 25 4.0/ 4.0 Points
The boundary of the graph of a linear inequality is either a solid or dashed line and the shaded area is either above or below the line.
Select the correct line and shading for the following inequality: y < x + 15
- A. dashed; below
- B. solid; above
- C. dashed; above
- D. solid; below
Question 13 of 250.0/ 4.0
PointsFind the equation of a line passing through the point (- 10, 1) and perpendicular to the line y = 2.
- A. x = – 10
- B. y = – 10
- C. None of these.
- D. x = 1
- E. y = 1
Question 14 of 250.0/ 4.0
PointsFind f(-15) when f(x) = – 4x + 10
- A. 70
- B. – 50
- C. 50
- D. None of these.
- E. – 70
Question 15 of 25 0.0/ 4.0
PointsWrite the equation of the line with slope = – 4 and containing the point (- 2, 5).
- A. y – 5 = mx + 2
- B. y = – 4x – 25
- C. y = – 4x – 3
- D. None of these
- E. y – 5 = x + 2
Question 16 of 25 0.0/ 4.0 Points
Write the equation of the line passing through the points (2, 3) and (- 1, 3).
- A. y = x + 3
- B. y = 0
- C. y = 3
- D. x = 3
Question 17 of 25 0.0/ 4.0 Points
All-Hands Moving charges a flat fee of $60 plus $35 per hour.
Choose an equation for the cost in dollars, y, for using All-Hands for x hours.
- A. y = 60x + 35
- B. y = 60x
- C. y = 35x
- D. None of these.
- E. y = 35x + 60
Question 18 of 25 0.0/ 4.0 Points
Use your knowledge of the process of “Writing an equation given two points” to solve the following problem:
A vendor has learned that, by pricing his deep fried bananas on a stick at $1.50, sales will reach 110 per day. Raising the price to $2.50 will cause the sales to fall to 70 per day. Let y be the number of the vendor sells at x dollars each. Write a linear equation that models the number of sold per day when the price is x dollars each.
The linear equation is y = .
Question 19 of 25 0.0/ 4.0 Points
Choose the equation of a line with a slope of 3 and a y-intercept at (0, 4).
- A. y = 4x + 3
- B. y = – 3x – 4
- C. y = 3x + 4
- D. y = – 4x – 3
Question 20 of 25 0.0/ 4.0 Points
Choose the equation of the line that has an undefined slope and contains the point (9, – 2).
- A. x = 9
- B. y = – 2
- C. x = – 2
- D. y = 9