Answer:
4.(a) y = -2x + 5
Step-by-step explanation:
Answer:
(
, 3 )
Step-by-step explanation:
Given the 2 equations
y = 9x → (1)
6x - y = - 1 → (2)
Substitute y = 9x into (2)
6x - 9x = - 1, that is
- 3x = - 1 ( divide both sides by - 3 )
x = 
Substitute x =
into (1) for corresponding value of y
y = 9 ×
= 3
Solution is (
, 3 )
No because a right triangle always has a right angle
I believe it’s the first one. i’m very sorry if it’s wrong
Answer: The shape is a rectangle. We know this because it has 4 corners and 4 sides. And it is a quadrilateral.
Step-by-step explanation: