exam Maths Puzzle Numerical Ability

Given: Angle I is congruent to Angle L; Line segment HJ is congruent to line segment KJ. Prove: Triangle HJI is congruent to triangle KJL. for my second statment, i have angle H is

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exam Other Question
Use the given root to find the solution set of the polynomial equation.

x^4 - 21x^2 - 100 = 0

Root = 2i 5x^2+9x-2=0 write the related in vertex form, use the quadratic formula to find the roots and graph the parabola