Title: Lesson 14
Course: quiz duplicate error

Q: Graph y = [Image]x + 3.
- [Image]
- [Image]
- [Image]
- [Image]
A: [Image] / [Image]

Q: Graph y = [Image]x – 1.
- [Image]
- [Image]
- [Image]
- [Image]
A: [Image] / [Image]

Q: Graph [Image].
- [Image]
- [Image]
- [Image]
- [Image]
A: [Image]

Q: Write an equation in point-slope form of the line through point J(–5, 6) with slope –4.
- [Image]
- [Image]
- [Image]
- [Image]
A: [Image]

Q: Write an equation in point-slope form of the line through point J(2, –1) with slope –3.
- [Image]
- [Image]
- [Image]
- [Image]
A: [Image]

Q: Write an equation in point-slope form, y – y_1 = m(x – x_1), of the line through points (4, –4) and (1, 2) Use (4, –4) as the point (x_1, y_1).
- (y – 4) = –2(x + 4)
- (y – 4) = 2(x + 4)
- (y + 4) = 2(x – 4)
- (y + 4) = –2(x – 4)
A: (y + 4) = –2(x – 4)

Q: Write an equation in point-slope form, y – y_1 = m(x – x_1), of the line through points (5, –1) and (2, 5) Use (5, –1) as the point (x_1, y_1).
- (y + 1) = –2(x – 5)
- (y – 1) = 2(x + 5)
- (y – 1) = –2(x + 5)
- (y + 1) = 2(x – 5)
A: (y + 1) = –2(x – 5)

Q: Write an equation for the horizontal line that contains point E(–3, –1).
- x = –1
- x = –3
- y = –1
- y = –3
A: y = –1

Q: Write an equation for the horizontal line that contains point E(3, 9).
- y = 3
- x = 9
- x = 3
- y = 9
A: y = 9

Q: Write an equation for the horizontal line that contains point E(3, 1).
- x = 3
- y = 1
- x = 1
- y = 3
A: y = 1

Q: Graph the line that goes through point (–5, 5) with slope [Image].
- [Image]
- [Image]
- [Image]
- [Image]
A: [Image]

Q: Graph the line that goes through point (2, –2) with slope [Image].
- [Image]
- [Image]
- [Image]
- [Image]
A: [Image]

Q: Graph the line that goes through point (2, –6) with slope [Image].
- [Image]
- [Image]
- [Image]
- [Image]
A: [Image]

Q: Write an equation in slope-intercept form of the line through point P(–10, 1) with slope –5.
- y = –5x – 49
- y – 1 = –5(x + 10)
- y – 10 = –5(x + 1)
- y = –5x + 1
A: y = –5x – 49

Q: Write an equation in slope-intercept form of the line through point P(–5, –2) with slope 4.
- y + 5 = 4(x + 2)
- y = 4x – 2
- y = 4x + 18
- y + 2 = 4(x + 5)
A: y = 4x + 18

Q: Write an equation in slope-intercept form of the line through point P(–6, 9) with slope 4.
- y – 9 = 4(x + 6)
- y = 4x + 9
- y = 4x + 33
- y – 6 = 4(x + 9)
A: y = 4x + 33

Q: Write an equation in slope-intercept form of the line through points S(–10, –3) and T(–1, 1).
- [Image] [Image]x + [Image]
- y = [Image]x – [Image]
- [Image] [Image]x – [Image]
- y = [Image]x + [Image]
A: y = [Image]x + [Image]

Q: Write an equation in slope-intercept form of the line through points S(–8, –3) and T(2, 5).
- y = [Image]x + [Image]
- y = [Image]x – [Image]
- [Image] [Image]x + [Image]
- [Image] [Image]x – [Image]
A: y = [Image]x + [Image]

Q: Write an equation in slope-intercept form of the line through points S(–6, 2) and T(9, 3).
- [Image] [Image]x + [Image]
- y = [Image]x – [Image]
- y = [Image]x + [Image]
- [Image] [Image]x – [Image]
A: y = [Image]x + [Image]

Q: At the curb a ramp is 11 inches off the ground. The other end of the ramp rests on the street 55 inches straight out from the curb. Write a linear equation in slope-intercept form that relates the height y of the ramp to the distance x from the curb.
- y = [Image]x + 11
- y = [Image]x + 11
- y = [Image]x + 55
- y = [Image]x + 55
A: y = [Image]x + 11

Q: At the curb a ramp is 16 inches off the ground. The other end of the ramp rests on the street 96 inches straight out from the curb. Write a linear equation in slope-intercept form that relates the height y of the ramp to the distance x from the curb.
- y = [Image]x + 16
- y = [Image]x + 96
- y = [Image]x + 96
- y = [Image]x + 16
A: y = [Image]x + 16

Q: Which two lines are parallel?

 | I. | [Image]
 | II. | [Image]
 | III. | [Image]
- I and II
- I and III
- II and III
- No two of the lines are parallel.
A: I and II

Q: Which two lines are parallel?

 | I. | [Image]
 | II. | [Image]
 | III. | [Image]
- I and III
- I and II
- II and III
- No two of the lines are parallel.
A: I and III

Q: Write an equation for the line parallel to y = –7x + 15 that contains P(9, –6).
- x + 6 = 7(y – 9)
- y + 6 = 7(x – 9)
- y – 6 = –7(x – 9)
- y + 6 = –7(x – 9)
A: y + 6 = –7(x – 9)

Q: Write an equation for the line parallel to y = –5x – 12 that contains P(1, 4).
- y – 4 = –5(x – 1)
- y + 4 = –5(x – 1)
- y – 4 = 5(x – 1)
- x – 4 = 5(y – 1)
A: y – 4 = –5(x – 1)

Q: Write an equation for the line parallel to y = –8x + 13 that contains P(8, –1).
- y – 1 = –8(x – 8)
- x + 1 = 8(y – 8)
- y + 1 = 8(x – 8)
- y + 1 = –8(x – 8)
A: y + 1 = –8(x – 8)

Q: Write an equation for the line perpendicular to y = 2x – 5 that contains (–9, 6).
- y – 6 = 2(x + 9)
- x – 6 = 2(y + 9)
- y – 9 = [Image](x + 6)
- y – 6 = [Image](x + 9)
A: y – 6 = [Image](x + 9)

Q: Write an equation for the line perpendicular to y = –4x – 10 that contains (5, 2).
- y – 2 = –4(x – 5)
- x – 2 = –4(y – 5)
- y – 2 = [Image](x – 5)
- y – 5 = [Image](x – 2)
A: y – 2 = [Image](x – 5)

Q: Write an equation for the line perpendicular to y = –7x + 6 that contains (–10, –9).
- y + 10 = [Image](x + 9)
- y + 9 = [Image](x + 10)
- y + 9 = –7(x + 10)
- x + 9 = –7(y + 10)
A: y + 9 = [Image](x + 10)

Q: Plans for a bridge are drawn on a coordinate grid. One girder of the bridge lies on the line y = 3x – 3. A perpendicular brace passes through the point (–7, 9). Write an equation of the line that contains the brace.
- y – 7 = [Image](x + 9)
- y – 9 = 3(x + 7)
- x – 9 = 3(y + 7)
- y – 9 = [Image](x + 7)
A: y – 9 = [Image](x + 7)

Q: Plans for a bridge are drawn on a coordinate grid. One girder of the bridge lies on the line y = 3x + 3. A perpendicular brace passes through the point (7, 9). Write an equation of the line that contains the brace.
- y – 9 = [Image](x – 7)
- y – 9 = 3(x – 7)
- x – 9 = 3(y – 7)
- y – 7 = [Image](x – 9)
A: y – 9 = [Image](x – 7)

Q: Plans for a bridge are drawn on a coordinate grid. One girder of the bridge lies on the line y = 2x + 5. A perpendicular brace passes through the point (6, –1). Write an equation of the line that contains the brace.
- y + 6 = [Image](x – 1)
- y + 1 = [Image](x – 6)
- x + 1 = 2(y – 6)
- y + 1 = 2(x – 6)
A: y + 1 = [Image](x – 6)

Q: Are the lines y = –x – 4 and 5x + 5y = 20 perpendicular? Explain.
- Yes; their slopes are equal.
- Yes; their slopes have product –1.
- No; their slopes are not equal
- No; their slopes are not opposite reciprocals.
A: No; their slopes are not opposite reciprocals.

Q: Are the lines y = –x – 1 and 2x + 2y = 4 perpendicular? Explain.
- Yes; their slopes are equal.
- Yes; their slopes have product –1.
- No; their slopes are not opposite reciprocals.
- No; their slopes are not equal
A: No; their slopes are not opposite reciprocals.

Q: Give the slope-intercept form of the equation of the line that is perpendicular to
7x + 3y = 18 and contains P(6, 8).
- y – 6 = [Image](x – 8)
- y = [Image]x [Image]
- y = [Image]x + [Image]
- y – 8 = [Image](x – 6)
A: y = [Image]x + [Image]

Q: Give the slope-intercept form of the equation of the line that is perpendicular to
7x + 8y = 16 and contains P(4, –6).
- y + 6 = [Image](x – 4)
- y + 4 = [Image](x – 6)
- y = [Image]x [Image]
- y = [Image]x [Image]
A: y = [Image]x [Image]