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rusak2 [61]
2 years ago
12

Find x and y intercept 5x + 4y = 8

Mathematics
2 answers:
AnnyKZ [126]2 years ago
7 0

Answer:

(8/5, 0)

Step-by-step explanation:

5x - 4(0) = 8

5x = 8

x = 8/5

givi [52]2 years ago
6 0
Hi!

The x-intercept is: x= 8/5

The y-intercept is: y= 2
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Answer:

Verified

Step-by-step explanation:

Let the 2x2 matrix A be in the form of:

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Then the transposed version of A is

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Then the inverted version of transposed A is

(A^T)^{-1} = \frac{1}{ad - cb} \left[\begin{array}{cc}a&-c\\-b&d\end{array}\right]

The inverted version of A is:

A^{-1} = \frac{1}{ad - bc}\left[\begin{array}{cc}a&-b\\-c&d\end{array}\right]

The transposed version of inverted A is:

(A^{-1})^T = \frac{1}{ad - bc}\left[\begin{array}{cc}a&-c\\-b&d\end{array}\right]

We can see that

(A^T)^{-1} = (A^{-1})^T

So this theorem is true for 2 x 2 matrices

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Step-by-step explanation:

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