2x-3y = -2 --------> (1)
4x + y = 24 -------> (2)
multiply equation number (1) by -2
-4x + 6y = +4
remove the x value from both equation (1) and (2) because its the same number and different sign
6y + y = 4 + 24
7y = 28
divide both by 7
y = 4
now putting y=4 in two equations
2x - 3y = -2
2x-3(4) = -2
2x-12 = -2
2x = -2 + 12
2x = 10
x = 5
or
4x + y = 24
4x + 4 = 24
4x = 24-4
4x = 20
x = 5
so its (5,4)
Answer:
B
Step-by-step explanation:
To go from B' to B , perform the inverse operation
That is the translation rule is (x - 4, y - 5 ) , then
B'(7, - 4 ) → B (7 - 4, - 4 - 5 ) → B (3, - 9 ) → option B
Answer: c
Step-by-step explanation:
A, B and D. All of the numbers are multiplied by a if that makes sense.