As all the diagonal elements are 1, and we have have each column having only ne non zeros elemint that is 1.

Then it is much easier to find the unknown variables, compared to row echelon form

asked 2021-05-04

For each topic, decide how a scatterplot of the data would likely look. Explain your reasoning. the price of an apple at a grocery store and the price of a peach at a farmers' market

asked 2021-06-22

For each topic, decide how a scatterplot of the data would likely look. Explain your reasoning.
Number of children living in a town and number of schools in the town

asked 2021-07-03

For each topic, decide how a scatterplot of the data would likely look. Explain your reasoning.
Speed of a runner and amount of time to complete a race

asked 2021-05-11

asked 2021-06-21

For each topic, decide which type of association a scatterplot of the data would likely show. Explain your choice.
Outdoor temperature and layers of clothing

asked 2021-06-03

Determine whether the statement is true or false. Justify your answer. You cannot write an augmented matrix for a dependent system of linear equations in reduced row-echelon form.

asked 2021-07-05

The equations y=-x+4 and y=12x−8y= 21x−8 form a system of linear equations. The table below shows the y-value for each equation at six different values of x. xy=−x+4y=12x−804−822−740−66−2−58−4−410−6−3
What can you conclude from the table? A. The system has one solution, when x=0. B. The system has one solution, when x=4. C. The system has one solution, when x=8. D. The system has no solution.

asked 2021-06-06

Each of the matrices is the final matrix form for a system of two linear equations in the variables x1 and x2. Write the solution of the system.
[1,0;-2,0;7,-9]

asked 2021-05-18

Each of the matrices is the final matrix form for a system of two linear equations in the variables \(x_1\) and \(x_2\). Write the solution of the system.

\(\begin{bmatrix}1 & 0&|&3 \\0 & 1&|&-5 \end{bmatrix}\)

asked 2021-05-01