Question

What are the x- and y-intercepts of the graph of y = x2 + 7x + 12? (1 point)
Question 21 options:

1) x-intercepts: (-3, 0) and (-4, 0)
y-intercept: (0, 12)

2) x-intercepts: (-3, 0) and (4, 0)
y-intercept: (0, -12)

3) x-intercepts: (3, 0) and (4, 0)
y-intercept: (0, -12)

4) x-intercepts: (3, 0) and (-4, 0)
y-intercept: (0, 12)

Answer 1

im confused

Answer 2

Have you learnt the quadratic formula before?

Answer 3

y=-b+-sqrtb^2-4ac/2a @Sepeario

Answer 4

Can you solve this equation using the quadratic formula?

Answer 5

no @Sepeario

Answer 6

i dont understand this

Answer 7

There it is. You have your answer for x, and the intercept for y is 12. Therefore the answer is option 1).

Answer 8

Read through the working.

Answer 9

thank you @Sepeario