Question

What is the equation of the trend line? (Round the slope to the nearest hundredth.)



A.
y = 1.25x

B.
y = 15.00x

C.
y = 0.80x

D.
y = 12.00x

Answer 1

http://static.k12.com/calms_media/media/1449000_1449500/1449108/2/d4f2035a857e3b22ca32f5c48a158e488c0b7184/TXMTH08-140117-130407.jpg

Answer 2

Oh, that's (25, 20)..my bad.

Answer 3

The line passes through the points (15, 12) and (25, 2-)

Plug them into the slope formula:

\(m = \dfrac{y_2-y_1}{x_2-x_1}\)

\(m = \dfrac{20-12}{25-15}\)

Simplify

Answer 4

Can you simplify that?

Answer 5

ya thanks....