Analyze the proof. Use the drop-down boxes to complete the sentences. The third line of this proof is known as the . identity of cosine. The justification for the fourth line is .

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4