When a < 0 in the quadratic function y = ax2 + bx + C, the graph of the quadratic function opens _____?
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So matrix which show equation 4x+2y=4 is .
Given that we have an equation that is 4x+2y=4
So equation is a statement that the values of two mathematical expressions are equal (indicated by the sign =).
So in order to write this equation in matrix form we have to write it into augmented matrix
So augmented matrix is a matrix whose elements are the coefficients of a set of simultaneous linear equations with the constant terms of the equations entered in an added column.
Therefore the matrix will be:
.
Learn more about augmented matrix on brainly.com/question/16796667
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