we are given

Firstly ,we can find equation in vertex form
so, we will complete x square



now, we can compare it with vertex form of equation

we can find h and k

so, vertex is
.............Answer
B or c sorry if I’m wrong tho :(
Answer:
√b/a
Step-by-step explanation:
Answer:
1245
Step-by-step explanation:
Distribute the number 3 to each of the numbers in the second set of parentheses. Be careful to remember to add zeros to the number depending on which place holder the number is in.
Demonstration:
3 × 400
3 x 10
3 x 5
After solving each equation, add the total
1200 + 30 + 15 = 1245