1. Draw the graphs of y = x²and have solve
x- 4x-5=0
Answers
Answer:
thanks for the free points
Answer:
1.In the graph of y = x2, the point (0, 0) is called the vertex. The vertex is the minimum point in a parabola that opens upward. In a parabola that opens downward, the vertex is the maximum point.
1
Combine like terms
−
4
−
5
=
0
{\color{#c92786}{x}}{\color{#c92786}{-4x}}-5=0
x−4x−5=0
−
3
−
5
=
0
{\color{#c92786}{-3x}}-5=0
−3x−5=0
2
Add
5
5
5
to both sides of the equation
−
3
−
5
=
0
-3x-5=0
−3x−5=0
−
3
−
5
+
5
=
0
+
5
-3x-5+{\color{#c92786}{5}}=0+{\color{#c92786}{5}}
−3x−5+5=0+5
3
Simplify
Add the numbers
Add the numbers
−
3
=
5
-3x=5
−3x=5
4
Divide both sides of the equation by the same term
−
3
=
5
-3x=5
−3x=5
−
3
−
3
=
5
−
3
\frac{-3x}{{\color{#c92786}{-3}}}=\frac{5}{{\color{#c92786}{-3}}}
−3−3x=−35
5
Simplify
Cancel terms that are in both the numerator and denominator
Divide the numbers
=
−
5
3
x=-\frac{5}{3}
x=−35
Solution
=
−
5
3
