What are the solutions to the system of equations? y=−x2−5x −6x+y=−3

Step-by-step explanation:

y = -x² - 5x

-6x + y = -3            

Use substitution method:

-6x + (-x² - 5x) = -3      substituted "y" with "-x² - 5x"

-x² -11x = -3                 simplified left side (added like terms)

-x² - 11x + 3 = 0            added 3 to both sides

Solve using quadratic formula:

a = -1, b = -11, c = 3

  and    

Next, solve for "y" by plugging the x-values above into the equation: y = -x² - 5x

and

the size of the resulting matrix is 1-by-3.

step-by-step explanation:

the size of the two matrices given are as follows:

no .of rows of matrix 1 = 1

no .of columns of matrix 1 = 3

no .of rows of matrix 1 = 3

no .of columns of matrix 1 = 3

to find the size of the resulting matrix without actually solving the multiplication of the matrix, this is what you do:

if resulting matrix = matrix 1 * matrix 2

no. of rows of the resulting matrix = number of rows of matrix 1

no. of columns of resulting matrix = number of columns of matrix 2

note: the order of the matrices matter!

1e+27

step-by-step explanation: