Question

What is the value of the function y = 1.3x + 22 when x = −7?

y =???

Answer 1

just substitute x value and then solve

Answer 2

1.3+22=23.3

so Y=23.3

Answer 3

substitute -7 into x

Answer 4

30.3

Answer 5

@Nnesha

Answer 6

nope how did u plug x values
show your work please so i can figure our ur mistake :-)

Answer 7

1.3+22=23.3

then 23.3-(-7)

Answer 8

nope first you have to distribute parentheses

Answer 9

\[\huge\rm y = 1.3(-7) +22\]
replaced x by -7
now distribute first and then add

Answer 10

so 1.3*7+22?

Answer 11

look at the equation it says x = -7 not positive seven so substitute
- 7

Answer 12

question**
not equation :-)

Answer 13

would I minus seven from the equation and then do that to the other side?.... if we are tring to get rid of it/

Answer 14

first multiply
-7 times 1.3= ??

Answer 15

-7*1.3=-9.1

and then -9.1+22?

Answer 16

yep right

Answer 17

12.9

Answer 18

yep

Answer 19

:)

Answer 20

thank you again

Answer 21

np :)