Question

What is the vertex of the graph of y = –|2x + 4|+ 3?

(–2, –3)

(–2, 3)

(2, –3)

(2, 3)

Answer 1

Solve the two equations:

y = -(2x + 4) + 3

2x + y = -1 ----------------1

y = 2x + 4 + 3

2x - y = -7 ---------------------2


Solve these:

2x + y = -1
2x - y = -7

Add them and tell me what do you get ??

Answer 2

4x-8?

Answer 3

4x = -8

now divide it by 4 both the sides..

Answer 4

x=-2

Answer 5

so itll be -2,3?

Answer 6

Yes absolutely right..