Question

Consider this system of equations: y = 4x2 + 2x + 9 y – 8 = 6x Solved for y, the linear equation is . Which is the solution set of the system? .

Answer 1

Consider this system of equations:

y = 4x2 + 2x + 9

y – 8 = 6x

Solved for y, the linear equation is

✔ y = 6x + 8

.

Which is the solution set of the system?

✔ {(1/2, 11)}

.

Explanation:

EDGE 2020

Answer 2

we have that

y = 4x² + 2x + 9

y – 8 = 6x--------> y=6x+8

the linear equation is

y=6x+8

using a graph tool

see the attached figure

the solution of the system is the intersection of both graphs

the solution is the point

(0.5,11)