The matrix below represents a system of equations. 2
1
1
4
-3
2
-1-8
-
-1
1
5
Which matrix represents the solution to this system of
1
1
0 1 0 -1

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Evaluate the expression for the given value of the variable 7a - 4a for a =8