Solving Equations Test Review
Climbing a mountain pass on your bike, you decelerate from 15 m/s to 6 ms over 6 seconds. Use the equation a=(v-v0)/t to find your acceleration. (Hint: v=15, v0=6, t=6)
1.5 m/s^2
Riding downhill on your bike, you accelerate from 4 m/s to 9m/s over 8 seconds. Use the equation a=(v-v0)/t to find your acceleration. (Hint: v=9, v0=4, t=8)
5/8
4(3k-6)=6(2k-4)
Infinite Solutions
2(8j+3)=5(3j-1)+j
No solution
-6(4d+10)+7d=-2d
d=-4
40=9f+4
f=4
7g-9=5g+5
g=14
2(7r+5)=6(2r+5)+2r-20
infinite solutions
3(4j+1)=3(3j-1)+j
j=-3
-7(-m-3)=45-m
m=3
Jill solved an equation 2/3(9x+15)=17-3(x+12) for x. Her answer was x=7. Is she correct?
no
2(5k-13)=5(2k-5)
no solution
2(6r+7)-r=5(2r+3)-25
r=-24
3/8(8x-24)=3/4(12x+16)
x=-3.5
Connor solved an equation 6(x-2)=15(10x-20) for x. His answer x=2. Is he correct?
x=2
-5(3x-4)=2(9-6x)
x=2/3