Algebra II 1st Nine Weeks Exam (10.8.19)

Find the domain and range; determine whether its a function. (-1,3) (0,5) (1,7) (2,9)

domain- (-1,0,1,2) range- (3,5,7,9) yes

Find the domain and range; determine whether its a function. (-2,0) (0,-1) (4,-3) (6,-4)

domain- (-2,0,4,6) range- (0,-1,-3,-4) yes

4 units down, 1 unit left

y=lx+1l-4

7 units up, 3 units right

y=lx-3l+7

2 units down, 6 units right

y=lx-6l-2

Two buses leave Columbus, Ohio at the same time and travel in opposite directions. One bus average 55 mi/h and the other bus averages 48 mi/h. When will they be 618 mi apart?

6hrs

solve equation: 2r+2=3r-5

7

solve equation: 8(t-1)=64

7

evaluate the expression: a2-2(a+1); a=3

1

complete the pattern: -5,-1,3,7,...

11,15,19; +4

The expression 15+5x models the daily cost in dollars of renting scuba gear from the water sports store. In the expression, x represents the number of hours the scuba gear is used. What is the cost of renting scuba gear for a day when the gear is used for 3 hours?

15+5(3); $30

evaluate the expression: 5(2s-1)-3s(s+2); s=4

17

complete the pattern: 64,32,16,8,...

4,2,1; divided by 2