For each equation, determine whether it is linear.
(a) y=x
(b) y=-9
Equation
(c) y=4x²¹ +8
(d) y=-4x+7
Is the equation linear?
Yes
No
O
O
X

For each equation determine whether it is linear a yx b y9 Equation c y4x 8 d y4x7 Is the equation linear Yes No O O X class=