Asked by nebula🌌

The ordered pairs (2, -21) and (5,-45) are solutions to which of the following equations?

A. y = -8x - 5

B. y = -8x + 5***

C. y = 8x - 5

D. y = 8x + 5
Answered by Reiny
let's quickly find the slope
slope = (-45 - (-21) )/(5-2) = -8
which rules out C and D
Sub (2, -21) into B which is y = -8x + 5 and your choice
LS = -21
RS = -8(2) + 5 = -11
so , Nope, it is not B
Mmmhhh, I wonder .....
Answered by nebula🌌
Thank you!
Answered by nebula🌌
do you mind if I ask another?
Answered by nebula🌌
which is a rule that describes the translation of a point form (4, -8) to (7, -10)?
A.(x,y) --> (x + 3, y - 2)

B. (x,y) --> (x + 3, y + 2)

C.(x,y) --> (x - 3, y - 2)***

D.(x,y) --> (x - 3, y + 2)
Answered by oobleck
hmmm. does 4-3 = 7?
Answered by nebula🌌
no so would it be a?
Answered by oobleck
correct
Answered by Diajbdbd
The answer is A
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