Elementary Transformation
Elementary transformations are of the following three types: Interchange of any two rows (or columns) The multiplication of the elements of a row (or column) by a non-zero number. The addition to the elements of any row (or column) the corresponding elements of any other row (or ..
The enrollments made in elementary schools and high schools from 1994 ..
The enrollments made in elementary schools and high schools from 1994 through 1998 is shown in the double bar graph. Which year has the maximum difference between enrollments of high schools and elementary schools? => 1994 or 1997 or 1995 or 1996..
25 children from Ever Dale Elementary School are going on a picnic in ..
25 children from Ever Dale Elementary School are going on a picnic in vans. Each van can hold 7 children and the driver. How many vans must be rented? => 5 or 6 or 4 or 3..
The bar graph shows the expenditure on the elementary and high schools..
The bar graph shows the expenditure on the elementary and high schools from 1994 through 2002. In which year did the expenditure on elementary schools exceeded $400 millions and in which year did the expenditure on high schools exceeded $300 millions? => 1998, 1998 or 1998, 2002..
289 elementary school students and 120 middle school students wrote le..
289 elementary school students and 120 middle school students wrote letters for a time capsule. Estimate the total number of letters written. => 410 or 400 or 300 or 500..
The table details the School Enrollment in the U.S. in two different y..
The table details the School Enrollment in the U.S. in two different years. Find the ratio of the number enrolled in the Elementary School to the number enrolled in the Secondary School during the year 1990. => 7 : 6 or 6 : 7 or 6 : 17 or 17 : 6..
Perform the elementary row operation (-1)R3 + R1 on the matrix (3151-1..
Perform the elementary row operation (-1)R 3 + R 1 on the matrix ( 3 1 5 1 -1 2 0 1 3 ) . => ( 3 1 0 1 -1 2 0 1 2 ) or ( 3 0 2 1 -1 2 0 1 3 ) or ( 3 1 5 1 -1 2 0 1 2 ) or ( 3 1 5 0 1 2 0 1 2 )..
In 1995, the U.S. government spent $315 billion on the Elementary and ..
In 1995, the U.S. government spent $315 billion on the Elementary and Secondary school education. This is 45% of the total expenditure on education. Find the total expenditure on education. => $820 billion or $700 billion or $720 billion or None of the above..
Definition
Let R i denotes the i t h row of the matrix A = [a i j ] then the elementary row operations on the matrix A are defined as: 3. R i g R i + kR j means multiply each element of j t h row by k and add it to the corresponding elements of i t h row. The corresponding column tra..
Let R i denotes the i t h row of the matrix A = [a i j ] then the elementary row operations on the matrix A are defined as: 3. R i g R i + kR j means multiply each element of j t h row by k and add it to the corresponding elements of i t h row. The corresponding column tra..The table shows the number of students enrolled in the elementary, the..
The table shows the number of students enrolled in the elementary, the secondary, and the high school. Choose the bar graph which represents the data in the table. Year Elementary school Middle school High school 1985 34 13 14 1990 36 14 13 1995 38 13 10 2000 37 15 15 => Graph 1..
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