The vector < -1, 4> is first dilated by a factor of 2.5 and then rotated by radians.
if the resulting vector is , then a =
and b =
.

it should be a and d. lmk if i'm wrong xd

answer: 88

step-by-step explanation:

5=812a+9+3

step 1: simplify both sides of the equation.

5=812a+9+3

5=(812a)+(9+3)(combine like terms)

5=812a+12

5=812a+12

step 2: flip the equation.

812a+12=5

step 3: subtract 12 from both sides.

812a+12−12=5−12

812a=−7

step 4: divide both sides by 812.

812a /812 = -7/812

a= -1/116

so the answer is

a=   -1/116

what are you trying to solve here

step-by-step explanation: