Use your graphing calculator to solve the equation graphically in the interval [4,7]
1 answer:
Answer:
x = 5.200
Step-by-step explanation:
Given equation is,
x³ - 4.6x² - 7.03x = -20.332
x³ - 4.6x² - 7.3x + 20.332 = 0
By graphing this equation with the help of a graphing calculator,
Solutions of the equation are the points where y = 0.
In other words, x intercepts are the solutions.
Solutions for the given equation are,
x = -2.3, 1.7 and 5.2
Therefore, solution for the given equation in the interval [4, 7] is x = 5.200
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Answer:
Step-by-step explanation:
The correct answer is:
B. This is a dilation about (0, 0) with a scale factor of 4; A'(8, 4), B' (16, 4), C' (16, -12).
Step-by-step explanation:
Given
Dilation: D : (x,y) => (4x,4y)
And Vertices
A ( 2, 1 ), B ( 4, 1 ), C ( 4, -3 )
Applying dilation on all vertices
To find the scale factor,
As we are multiplying each vertex coordinate by 4, the dilation factor is 4.
Moreover,
Hence the scale factor is 4.
So,
The correct answer is:
B. This is a dilation about (0, 0) with a scale factor of 4; A'(8, 4), B' (16, 4), C' (16, -12).
Keywords: Dilation, Scale factor
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