onedirectionfamily onedirectionfamily
  • 22-05-2017
  • Mathematics
contestada

Solve using substitution or elimination.

y=-x²+7
y-2x=4


WILL GIVE BRAINIEST TO WHO EVER HELPS ME SOLVE THIS.

Respuesta :

MathisLif3
MathisLif3 MathisLif3
  • 22-05-2017
essentially, the solutions will be where the two equations intersect.
y=-x^2+7
y=2x+4

2x+4=-x^2+7.
2x=-x^2+3.
x (x+2)-3=0
quadratic formula=> x=1,-3
(1,6) and (-3,-2) are the solutions to the intercepts
Answer Link

Otras preguntas

Sofia's family took a road trip to Mount Rushmore. Sofia slept through the last 65% of the trip. If the total length of the trip was 840 miles, how many miles h
This is a picture of a cube and the net for the cube. What is the surface area of the cube? 54 in² 81 in² 324 in² 486 in²
Please give me the answers
what is a meaning off beautiful and helpfull the country​
Find the approximate radius of a circle with a circumference of 7.92 centimetres. Use 3.14 for Π. Round to the nearest hundredth if needed.
Some researchers reported a trend for women to lose and unhealthy amount of weight between the time of their wedding dress purchase (represented by p) and their
At Gina's Beading Boutique, 80% of the 70 beads on clearance are plastic. How many plastic beads are there on clearance?
An ______ is a simplified image. (4 letters)
2. Roberto has a wealthy uncle who gives him two options to save money in a bank account to save for a PlayStation 4, which will cost $518. Option 1: Roberto's
Which number is a solution for the inequality 4p > 8?