Identify all the points that are on the following quadratic function: y = x^2 - 3x
2 answers:
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Answer:
No graph so we'll use the quadratic formula
x^2+x-4=0
a = 1
b = 1
c = -4
x = -1 +- sqr root (1^2 - 4 * 1 * -4) / 2
x = (-1 +- sqr root (1 +16) ) / 2
x1 = (-1 + sqr root (17)) / 2
x2 = (-1 - sqr root (17)) / 2
Step-by-step explanation:
Answer:
or
Step-by-step explanation:
Given
Using Completing the Square
---- Add
to both sides
Divide the coefficient of x by 2; then add the square to both sides
Factorize
Hence, the equation is
Solving further
Take square root of both sides
This implies that
or
or
HEnce, the solutions are or