Answer:
x-intercepts: -5 +/-
. y-intercept: 4
Step-by-step explanation:
For x-intercepts use the quadratic equation

Fill in your values:

And solve

For y-intercepts set x=0 and solve. In this case, setting x= 0 gives you y=4.
Sometimes. A chord is a diameter only if it passes through the center of the circle.
Answer:
-5
Step-by-step explanation:
-7 - (-2)
-7 + 2
Example: If you owe someone $7, and you give them $2, how much do you still owe? You are owing him $7 so it's a negative and you give him $2 which is a negative as well since you are giving it to him. So, to answer how much do you still owe, you would add $2 to the $7 you owed, so now, you owe him $5, which is a negative since you OWE him.
Hope this helps:)
I found my notes for this exact paper and I have that first problem written. hopefully this helps