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Work out

Name: ____________________ Grade: ________ Date: ________                              /10

Choose the correct answer for each question ?

1) What is the slope in the equation y=4x+1?
A) 1  B) 4  C) -4  D) -1

2) What is the y-intercept in y=−7x+3?
A) 3  B) -7  C) -3  D) 7

3) Which equation has a slope of 2?
A) y=2x−5y
B) y=−2x+3y
C) y=x+2y
D) y=−x+2y

4) What is the slope between (1, 3) and (3, 7)?
A) 2  B) 4  C) 3  D) 5

5) Which line is horizontal?
A) y = 9  B) x = 9  C) y = -3x  D) y = 5x + 1

6) Which has undefined slope?
A) y = 4  B) y = -6x + 1  C) x = -2  D) y = x - 7

7) Convert to slope-intercept form: 2x+y=10
A) y=−2x+10y
B) y=2x+10y
C) y=−x+5y
D) y=5x−2y

8) What is the y-intercept of y=1/2x−8 ?
A) ½  B) -8  C) 8  D) 0.5

9) slope = 3 , y-intercept = -4 → equation?
A) y = 4x - 3
B) y = -3x + 4
C) y = 3x - 4
D) y = -4x + 3

10) A line has slope 0. What kind of line is it?
A) vertical  B) diagonal  C) horizontal  D) curved