Question

When a question asks me to 'evaluate' does that mean I need to solve the equation ?

Answer 1

evaluate means finding the value of expression
solve means finding the value of variable in that equation....

Answer 2

haha I thought you left me !

Answer 3

Evaluate x2 + y2 when x = 3 and y = 4

Answer 4

does that mean substitute the x and y with the numbers and add it all up ?

Answer 5

yes, correct

Answer 6

=3^2+4^2

Answer 7

which equals ?

Answer 8

hang on ! ahaha let me get this down too :p

Answer 9

25 ?

Answer 10

or do I need to sqare root the 25 too ?

Answer 11

no, its 25 only
3^2+4^2 = 25

Answer 12

cool :D

Answer 13

:)

Answer 14

Expand (x + 1)(x – 2)

Answer 15

( x + 1 ) ( x – 2 )

Answer 16

just kidding, u know how to foil ??

Answer 17

Expanding, no hope. Simplifying, I feel like I have some hope aha

Answer 18

ham then try to simplify

Answer 19

foil ? aha