Julio tested the point (4, –2) to see whether it is a solution to this system of equations. –3x – 2y = –8, y = 2x – 5 His work i

Question

mihalych1998 [28]

3 years ago

5

Julio tested the point (4, –2) to see whether it is a solution to this system of equations. –3x – 2y = –8, y = 2x – 5 His work i

s shown below.

Mathematics

2 answers:

Vaselesa [24] · Answer 1 · 2022-05-03T09:08:30+03:00

Vaselesa [24]3 years ago

7 0

The answer is B. No he did not check the point in the second equation.

kolezko [41] · Answer 2 · 2022-05-03T07:59:39+03:00

kolezko [41]3 years ago

6 0

if it is solution point (4, –2) must satisfy both equations
(1) –3x – 2y = –8-->-3*4-2*(-2)=-8
-12+4=-8 then-->-8=-8 ok
(2) y = 2x – 5
-2=2*4-5=3---------->-2 is not 3

the point (4, –2) is not solution of the system of equations