Question

Evaluate the expression below for a = 2 and b = 5.
https://lh4.googleusercontent.com/WYT6yhwbs1QEfb41sUGbrFtHqYfyylgaMqQSWz0S6schysHwlaHk3zfSlr4bpX6_bLy8kQ
A. 207
B. 7
C. -8
D. 19
@AriPotta @Fransisco_w

Answer 1

ok so you wanna plug in 2 for a and 5 for b in the expression

Answer 2

then follow PEMDAS to get your answer

Answer 3

For this your plugging in the numbers where A and B are. So it would look like this 5^2-2(5+4)

Answer 4

Try and solve and show us what you get :D

Answer 5

Is it D ?

Answer 6

no

Answer 7

idk then

Answer 8

ok so PEMDAS says we should do parentheses first. so what's 5 + 4?

Answer 9

9

Answer 10

Correct!

Answer 11

What would you do from there?

Answer 12

is it A ?

Answer 13

it's not a either

Answer 14

No, here after you add 5+4 you have 5^2 - 2(9) you need to distribute the 2 to 9 *hint multiply them*

Answer 15

Its B

Answer 16

There you go! You got it!

Answer 17

yay :)

Answer 18

THANKS SO MUCH BOTH OF YOU

Answer 19

:D