Answer:
Step-by-step explanation:
Consider the quadratic equation, we have
Dividing the equation by a, we get
Put on the other side,
Add on both the sides,
completing the square, we have
Now, solving for x,
Multiply right side by ,
which is the required quadratic formula.
Answer:
There is no values to make the equation true. Please check the equation.
Step-by-step explanation:
Answer:
store C is the best with .122 per ounce the others are .129 and .135
we know that
If two numbers have a sum of zero, then we say they are additive inverses.
so
z+0.8=0 -------> the sum is equal to zero
z=-0.8------> the additive inverse of z is equal to -0.8
using a graph tool
see the attached figure
<u>the answer Part a) and part b) in the attached figure</u>