Question

What are the x– and y–intercepts of the quadratic equation y = 2x2 – 8x + 6?
Answer
A. x–intercepts: (–3, 0) and (–1, 0)
y–intercept: (0, 3)
B. x–intercepts: (3, 0) and (1, 0)
y–intercept: (0, 6)
C. x–intercepts: (–3, 0) and (–1, 0)
y–intercept: (0, 3)
D. x–intercepts: (–3, 0) and (–1, 0)
y–intercept: (0, 6)

Answer 1

y = 2x2 – 8x + 6
= 2 (x-2)^2 -2
y = 2x2 – 8x + 6 = 2(x-3)(x-1)
ans is B

Answer 2

put y=0,you will get x-intercept
x^2-4x+3=0
x^2-3x-x+3=0
x(x-3)-(x-3)=0
so x=1,x=3
simlarly
y=6

Answer 3

B