Answer:
x =
Step-by-step explanation:
Use Pythagorean theorem,
Hypotenuse² = base² + altitude²
x² = (√8)² + 4²
= 8 + 16
= 20
x = √20 =
x =
consider the equations y=3x+7 and 5x+2y=3. Solve the system equations by graphing. Give your solution to the system as a pair of
1 answer:
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Answer:
The positive value of will result in exactly one real root is approximately 0.028.
Step-by-step explanation:
Let , roots are those values of
so that
. That is:
(1)
Roots are determined analytically by the Quadratic Formula:
The smaller root is , and the larger root is
.
has one real root when
. Then, we solve the discriminant for
:
The positive value of will result in exactly one real root is approximately 0.028.