sasalinas2001
23.08.2021 •
Mathematics
3/4 + square of 64 classified
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Ответ:
Hi ;-)
¾ + √64 = ¾ + 8 = 8¾
√64 = 8, because 8 · 8 = 64
Ответ:
Step-by-step explanation:
3/4 + (64)^23/4 + 4096{3/4 = 0.75}0.75 + 4096 = 4096.75Ответ:
we have
Let
y=f(x)
Step
Find the equation in vertex form
Group terms that contain the same variable, and move the constant to the opposite side of the equation
Complete the square. Remember to balance the equation by adding the same constants to each side
Rewrite as perfect squares
therefore
the equation in vertex form is equal to
Step
Find the vertex of the function
the vertex of the function is the point
Step
Find the axis of symmetry
we know that
the function is a vertical parabola. therefore the axis of symmetry is the coordinate x of the vertex
the vertex of the function is the point
so
the axis of symmetry is
Step
Find the y-intercept of the function
we know that
the y-intercept is the value of the function when the value of x is equal to zero
so
for
the y-intercept of the function is equal to the point
Step
using a graph tool
see the attached figure
The function crosses the x-axis twice
Statements
1) The function in vertex form is f(x) = (x – 4)2 – 11> is true
2) The vertex of the function is (–8, 5) > is false
3) The axis of symmetry is x = 5 > is false
4) The y-intercept of the function is (0, 5) > is true
5) The function crosses the x-axis twice > is true