Question

YOU WILL GET 35 POINTS IF YOU ANSWER THESE!

Answer 1

Answer:

1) (2--3)^2 + 2 * (-3)^2 = 25 + 18 = 43

2) -|-2-3*6| = -|-20| = -20

3) 2x + 1 - 12x + 18 = -10x + 19

4)

$15x - 3 = 3x + 3\\12x = 6\\x = \frac{1}{2}$

5)

$6(2x-3)+23=12x+5\\12x - 18 + 23 = 12x + 5\\12x + 5 = 12x + 5,\\true for all x'es$

6) the pays 17 dollars anyways, and depending on the number of rides she pays an additional 2,50 per ride or per n

aka the total price P = 2.5n + 17

P = 57,50, so the equation is 2,5n + 17 = 57,50

7) |y-8| + 6 = 5

|y-8| = -1

no answer (the abs signs always turn the inside positive)

8) 4|x-2| = 24

|x-2| = 6

x-2 = -6 gives x = -4 and x-2 = 6 gives x = 8

9) 2(x+3) ≤ 54

x+3 ≤ 27

x≤ 24

I haven't been taught how to do the final 4, sorry :(