Solve the simultaneous equations:
y=3x+5
y=4x²+x
Give your answer correct to 2 decimal places

answer to the questions are x=1.396 or -0.896 and y=9.188 or 2.312

Step-by-step explanation: see attachment

Thanks for drawing my attention to my mistake. I appreciate.

The solutions  (x, y) are (1.40, 9.19)  and  (-0.90, 2.32)  correct to 2  decimal places.

Step-by-step explanation:

As the 2 expressions in x are both equal to y we can write:

4x^2 + x = 3x + 5

4x^2 - 2x - 5 = 0

x = [ -(-2) +/- sqrt(4 - 4*4*-5)] /  2*4

= 0.25 +/- (sqrt 84)/8

x  = 1.396, -0.895.

When x =  1.396, y =  3(1.396) + 5 = 9.188

when x = 0.895, y = 3(-0.895) + 5 = 2.315.

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation:

g = (2, 2)

step-by-step explanation:

given the ratio is 1 : 1 then f is the midpoint of eg

let the coordinates of g = (x, y)

using the midpoint formula

(0 + x) = 1 ( multiply both sides by 2 )

0 + x = 2 ⇒ x = 2

similarly

(4 + y) = 3 ( multiply both sides by 2 )

4 + y = 6 ( subtract 4 from both sides )

y = 2

coordinates of g = (2, 2)