Question

Please help me I am awful at graphing. it’s due in a few min and worth half my grade someone please help explain!

Answer 1

Explanation:

y=x² +8x +7

first parabola opens up because variable a is positive

the axis of symmetry = =4 ( which is the case or have of the vertex)

v(h,K)

h=-b/2a = -8/2(1)=

h=-4

vertex(-4,-9)

focus(-4,-35/4)

diretrix : y = -37/4