Graph the quadratic function f(x)= -2x^2 + 6x - 2
2 answers:
Answer:
see below for a graph
Step-by-step explanation:
The function can be rewritten to vertex form to aid in graphing.
f(x) = -2(x^2 -3x) -2
f(x) = -2(x^2 -3x + 2.25) -2 +4.50 . . . . . . add (3/2)^2 inside parentheses and subtract an equivalent amount outside parentheses
f(x) = -2(x -1.5)^2 +2.5
The vertex is located at (1.5, 2.5), and the vertical scale factor is -2. The point (3, -2) will be another point on the graph, along with the y-intercept (0, -2) and the vertex (1.5, 2.5).
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Answer:
4.2 cubic inches
Step-by-step explanation:
Find the diagram attached
Volume of the rectangular pyramid = BH/3
B is the base area
H is the height of the pyramid
Given
Base area = 3.2in * 1.4in
Base area = 4.48sq. in
Height = 2.8in
Volume of the rectangular pyramid = 4.48*2.8/3
Volume of the rectangular pyramid = 12.544/3
Volume of the rectangular pyramid = 4.2 cubic inches
Answer:
Explanation:
05/10
Simplifying
1/2
or 2^-1
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