Solving Quadratic Equations Directions: Solve the following quadratic equations using the quadratic formula. Show your work
and all answers must be in simplest radical form.
I
a. x2 - 2x - 15 =0
b. x2 + 8x - 10 =0

a) x= 5 or x= -3

b) x = -4 + or -4 -

Step-by-step explanation:

a) - 2x - 15 =0

x =  or  

x= 5 or x=-3

b) + 8x - 10 =0

x =  or  

x = -4 + or -4 -

a

step-by-step explanation:

the answer is a

the height of the surface increases from the center out to the sides of the road

it is c!