Which expression has a coefficient of 7? 12(4+x7)

7x2−13

3x+74

8+3x7

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()

Write the standard form of an equation with (see picture below)