Question

what is x and y coordinate if equation y=2x^2-1, x=4

Answer 1

Answer:

x coordinate = 4 & y coordinate = 31.

Step-by-step explanation:

x = 4

y = 2x^2 - 1 = 2 × 4^2 - 1 = 2 × 16 - 1 = 32 - 1 = 31

So, x coordinate = 4 & y coordinate = 31.