Coonkei Coonkei

22-02-2020
Mathematics

contestada

f(x)=2x+1 g(x)=x^(2)+2x-8 what are the solutions to the system of equations?

Respuesta :

amna04352 amna04352

22-02-2020

Answer:

(-3,-5) & (3,7)

Step-by-step explanation:

x² + 2x - 8 = 2x + 1

x² + 2x - 2x - 8 - 1 = 0

x² - 9 = 0

(x - 3)(x + 3) = 0

x = -3, 3

When x = -3, y = 2(-3) + 1 = -5

When x = +3, y = 2(+3) + 1 = 7

(-3,-5) & (3,7) are the solutions

Answer Link

Otras preguntas

The perimeter of a triangle is 84 mperiod The longest side of the triangle is 7 m less than twice the length of the shortest side, X. The middle side is 7 m lo

Calculate this mortgage payment. Principal Per Month $750 Interest Per Month $120 Property Tax Per Year 0.5 percent of the valu

Given the equation, y = |x|, complete the table of values.

What occurs to the arrangement of water molecules as water melts

The three steps are shown below were used to find an expression equivalent to 2/5( 15x- 30y)+10x Step 1: ____ Step 2: 16x-12y Step 3: 4( 4x-3y) Whic

It takes three identical water pumps 8 hours to fill a pool, What is the constant of variation?

Which statements about the cycle of weathering, erosion, and deposition are true? Check all that apply. Deposition leads to the breakdown of mountains. Erosion

"[I]f his majesty, in consideration of your services, and pursuant to his own merciful disposition, would please to spare your life, and only give orders to put

which pairs were used as the new method of fuel for the second industrial revolution

Which diagram represents a correct construction of equilateral triangle ABC, given side AB