Answer:
<h2>k = -1</h2>
Step-by-step explanation:
We have the point (5, k) and the equation 2x + y = 9.
Put the coordinates of the point ot the equation:
x = 5, y = k
2(5) + k = 9
10 + k = 9 <em>subtract 10 from both sides</em>
10 - 10 + k = 9 - 10
k = -1
Answer:
The coordinates for the vertex are ( -6 , 1 )
Step-by-step explanation:
n2+5=21
n2 =21-5
n2 = 16
n =16/2=8
