MATH WORKSHEET

Slope and Intercept Form of LineGrade

9

1

FORMULAE

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1.What is the slope of the line joining (4, -8) and (-4, 8)?

a) 0

b) 2

c) -2

d) Not defined

2. What is the slope of the line 2x + y = 8?

a) 2

b) -2

c) -1/2d) 1

3. What is the y-intercept of the line 4x + 5y = 9?

a) -4/5

b)5/4

c)-5/9

d)9/5

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4. What is the equation of line passing through (-2, 4) and parallel to the line y+ 3x =4?

a) y + 3x + 2 = 0

b) y + 3x – 2 = 0

c) 3y – x – 14 = 0

d) 3y – x + 14 = 0

5. What is the equation of the line with slope 3 and y-intercept -5?

a) y + 3x + 5 = 0

b) y – 3x + 5 =0

c) 3y + x – 5 = 0

d) 3y – x – 5 = 0

6. If 4x + y = -5 and x + ay = 8 are parallel, what is the value of a?

a) -4

b) 4

c)1/4d)-1/4

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Answer Key:

1.c)

2. b)

3. d)

4. a)

5. b)

6. c)

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