a) (3x+2)/4(x-5)
b) (x-5)/(3x+2)/4
c) (x-5)(3x+2)
d) (x-5)(12x+8)
question 2) divide (x^2-16/x-1)/x+4
a) x-4/x1
b) x+4/x-1
c) (x+4)(x-3)/x-1
d) x-4/x+1
question 3) divide (x^2+2x+1/x^2-8x+16)/(x+1/x^2-16)
a) (x-1)(x+4)/(x-1)
b) (x+1)(x+4)/(x-4)
c) (x+1)(x+4)/(x-1)
d) (x-1)(x-4)/(x+4)
question 4) divide (24w^10+8e^12) divided by (4w^4)
a) 6w^6+2w^8
b)6w^6+8w^12
c) 24w^10+2w^8
d) 6w^10 +2w^12
question 5) divide (10d^9-6d^8+4d^5) divided by (2d^3)
a) 5d^6 - 3d^5 + 2d^2
b) 5d^6 - 6d^8 + 4d^5
c) 10d^9 - 6d^8 + 2d^2
d) 5d^9 - 3d^9 + 2d^5
question 6) simplify into one fraction 8x/x-8 - 2/x-8
a) 8x+2/x-8
b)8x-2/x-8
c) 8x+2/(x-8)^2
d) 8x-2/(x-8)^2
question 7) simplify into one fraction 3/x-3 - 5/x-2
a) -2x+9/(x-3)(x-2)
b) -2/(x-3)(x-2)
c) -2(x+9)/x-3)(x-2)
d) 8/(x-3)(x-2)
question 8) simplify into one fraction 9/x-1 + 5/x+4
a)14/2x+3
b) 14x+31/(x-1)(x+4)
c) 14x+41/(x-1)(x+4)
d) 14/(x-1)(x+4)
question 9) solve 2/x + 12/x = 7
a) x=2
b) x=-2
c) x=28
d) x=-28
question 10) solve 1/3x+9 - 2/x+3 = 2
a) x-1
b) x=-23/6
c) x=-5/2
d) x-5
question 11) solve 8/x + 15/x^2 = -1
a) x=5,-3
b) x = -5,-3
c) x = -5,3
d) 5,3
question 12) Dorothy and Rosanne are baking cookies for a party. Working alone, Rosanne can finish the cookies in 6 hours. Dorothy can finish them in 8 hours if she is working alone. How long will it take them to bake the cookies if they are working together? Round your answer to the nearest hundredth if necessary.
a) 7.00 hours
b) 3.43 hours
c) 0.29 hours
d) 14.00 hours
question 13) The time t required to drive a certain distance varies inversely with the speed r. If it takes 4 hours to drive the distance at 35 miles per hour, how long will it take to drive the same distance at 45 miles per hour?
a) about 3.11 hours
b) 140 hours
c) about 5.14 hours
d) 393.75 hours
question 14) Do the data in the table represent a direct variation or an inverse variation? Write an equation to model the data in the table. the x section in the table has the number 1, 3, 4, and 7. the y section on the table has the numbers 5, 15, 20, and 35
a) direct variation; y = 1/5 x
b) inverse variation ; xy = 5
c) direct variation; y = 5x
d) inverse variation; xy 1/5
question 15) what are the excluded values of the function? y = 5/6x-72
a) x=0
b) x=12
c) x=72
d) x=11
choose a, b, c, or d to answer each question
Bot GPT 3.5
answered
2) a) x-4/x-1
3) c) (x+1)(x+4)/(x-1)
4) a) 6w^6+2w^8
5) a) 5d^6 - 3d^5 + 2d^2
6) b) 8x-2/x-8
7) a) -2x+9/(x-3)(x-2)
8) c) 14x+41/(x-1)(x+4)
9) a) x=2
10) c) x=-5/2
11) c) x = -5,3
12) b) 3.43 hours
13) a) about 3.11 hours
14) a) direct variation; y = 1/5 x
15) b) x=12
