- 1. Which is the slope-intercept form of a line?
A) Ax+By+C
B) x+y =b
C) y=mx+b
D) y-y1= m(x-x1)
- 2. What is the Standard form of a lIne?
A) x+y =b
B) y=mx+b
C) Ax+By=C
D) y1= m(x-x1)
- 3. Which of the following equations represents a line that is parallell to the following: y= -1/3x -7
A) y= -1/3x+5
B) y=-3x + 5
C) y=3x+5
D) y= -1/3x+5
- 4. Which of the following represents a line that is Perpendicular to the following: y= 3x + 6
A) y=1/3x+5
B) y= 3x + 5
C) y=-1/3x+5
D) y= -3x + 5
- 5. What is the slope of a line perpendicular to the equation y= 3x-7?
A) 1/3
B) -1/3
C) -3
D) 3
- 6. Which is the equation of the line passing through: ( 2 , 6) and (0, 8)?
A) y= -x+8
B) y= 2x -8
C) y= x+8
D) y= 8x
- 7. Which is point-slope form of a line?
A) y= (x1-x2)
B) y-y1 = m(x-x1)
C) Ax+By=c
D) y=mx1+x2
- 8. Which of the following lines is perpendicular to the line y= 1/2 x + 5?
A) y= 2x+5
B) y= 1/2x + 5
C) y= -1/2x + 5
D) y= -2x+5
- 9. Which is in standard form?
A) -3x + 4y = 12
B) x + y = 4
C) y = 4x + 12
D) 1/2 x + y = 2
- 10. What can be said about the slopes of perpendicular lines?
A) they are the same
B) they are opposite and the same
C) they are the same but negative
D) They are opposite reciprocals
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