The first jump in a unicycle high-jump contest is shown. the bar is raised 2 centimeters after each jump. solve the inequality 2n+10≥26 to find the number of additional jumps needed to meet or exceed the goal of clearing a height of 26 centimeters.

n>8

2n + 10 > 26

2n +10 -10 > 26 - 10

2n  > 16

2n divided by 2 to leave n by itself > 16 divided by 2 ( what you do to one side is mirrored on the other side)

Therefore, n<8

hello from mrbilldoesmath!

answer:   x (x+6)^2, choice b

discussion:

factor x out of the equation:

x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).

note that 6+6 = 12 and 6*6 = 36 so the above factors into:

x (x+6)^2

which is choice b

you,

mrb

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