( - 5 x² + 8 x ) + ( 2 x² - 3 x + 7)
= - 5 x² + 8 x + 2 x² - 3 x + 7
= - 3 x² + 5 x + 7
Step-by-step explanation:
Assuming that the 270° rotation is in a clockwise motion,
A point (a, b) which undergoes such a rotation will have the new point (-b, a).
Since we have A(2, 1),
A' has the coordinates (-1, 2).
Answer:
I'd say A is the correct answer. There's a chance I'm wrong but I don't think so
Answer:
its 1 bc (7+3) =10 then 2×10= 20÷20=1
