Mod. XI Review

1. a)

b)

c)

d)

e)

f)

2. a) x-int: (3, 0)

y-int: (0, 2)

b) Yes: (3, 4), (1, 4/3)

No: (-1, 5)

c) (6, -2)

(9, -4)

(answer varies)

d)

e)

f)

3. a) m = 6

y-int: (0, 4)

b)

y-int: (0, -3)

c)

y-int: (0, 0)

d)

y-int: (0, 0)

e) m = 0

y-int: (0, -2)

f) m = -5

y-int: (0, 1)

g) m = 3

y-int: (0, 0)

h) no slope

no y intercept

4. a) y = 7x + 4

b) y = -x + 7

c)

d) x = 1

e) y = -4

f ) y = -9

g) x = -3

h) y = 4

5. a)

b)

c)

d) y = 6

6. a)

b)

c)

d) no slope

x = 7

e) zero slope

y = 5

7. max point

min point

8. a) V = (0, 0)

b)

c) V = (-4, -1)

9. a) upward

b) (5, 0), (-1, 0)

c) (0, -5)

d) V = (2, -9)

10. a) upward

b) (3, 0), (-3, 0)

c) (0, -9)

d) V = (0, -9)

11. a) downward

b) (-4,0), (-2,0)

c) (0, -8)

d) V = (-3, 1)

12. a) upward

b) (-5, 0)

c) (0, 25)

d) V = (-5, 0)

13. a) upward

b) (0, 0), (1, 0)

c) (0, 0)

d)

14. a) downward

b) (1, 0)

c) (0, -1)

d) V = (1, 0)

15. At 2nd seconds, the ball will reach 64 ft high.