For problems 3-7, solve the system using either gaussian elimination with back substitution or gauss-jordan elimination. 3. 2x+3y + z=10 2x-3y-3z-22 4x-2y + 3z =-2 4. 2x+ y +2z-4 2x 2y 5 2x- y+62#2 , z = ' 5, 2x +6z=-9 3x-2y + 112=-16 3x - y 7z-11

Which of the following graphs represents the function f(x) = 2^x

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.