3 years ago

3

Mathematics

1 answer:

Leno4ka [110]3 years ago

4 0

Answer:

Step-by-step explanation:

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Answer:

the answer is C

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Step-by-step explanation:

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The reduced row-echelon forms of the augmented matrices of four systems are given below. How many solutions does each system hav

vagabundo [1.1K]

Answer:

A. Infinitely many solutions.

Step-by-step explanation:

The row and column numbers are equal in the echelon. This rows have 0001 numbers which indicates that there is free variable at the end. The reduced row echelon has equal number of rows and columns. There are infinitely many solution as the numbers in the rows are zero ending of the free variable 1. If there is no free variable then there will be no solution.

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3 years ago

Find the slope of the line that passes through (2, 5) and (6,4).

ElenaW [278]

Answer:

The slope of the line is $\frac{1}{-4}$ .

Step-by-step explanation:

We use the formula change in y over change in x to find the slope:

$\frac{5-4}{2-6}$

Then we simplify:

$\frac{1}{-4}$

The slope of the line is $\frac{1}{-4}$ .

7 0

3 years ago