Question

B) The graph of y = x²-2 is drawn on

the axes on the left.
Use the graph to estimate the
values of x when y = 0.
Give your answers to 1 decimal
place.

Answer 1

x= 1.414

Explanation:

graph looks like the letter U

letter U looking graph goes thru x axis at 1.414

make y = 0

0 = x²-2

x²-2 = 0

x² = 2

x=√2

x= 1.414

.