Answer:
x = -
Step-by-step explanation:
Given a quadratic equation in standard form , that is
y = ax² + bx + c = 0 ; a ≠ 0
Then the x- coordinate of the vertex is
= -
x² + bx + c = 0 ← is in standard form
with a = 1, b = b, thus
= -
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Answer:
Area of one face of the cube is
Step-by-step explanation:
A cube is a three dimensional figure that has all of its sides equal.
A cube has six square faces:
Surface area of the cube =
where 'a' is the side length of the cube:
Area of one face of a cube=
For surface area of the whole cube: 500 square inches
Dividing by '6' both sides;
Area of one face of the cube is
