Question

Use the function rule to complete the table

-10x +y=4

x -2, -1, 0, 1, 2
y (unknown)

Answer 1

-10x + y = 4.....when x = -2
-10(-2) + y = 4
20 + y = 4
y = 4 - 20
y = -16........so when x = -2, y = -16....(-2,-16)

-10x + y = 4.....when x = -1
-10(-1) + y = 4
10 + y = 4
y = 4 - 10
y = -6.....so when x = -1, y = -6....(-1,-6)

-10x + y = 4....when x = 0
-10(0) + y = 4
y = 4....so when x = 0, y = 4.....(0,4)

-10x + y = 4....when x = 1
-10(1) + y = 4
-10 + y = 4
y = 4 + 10
y = 14....so when x = 1, y = 14....(1,14)

-10x + y = 4....when x = 2
-10(2) + y = 4
-20 + y = 4
y = 4 + 20
y = 24....so when x = 2, y = 24.....(2,24)