exam Maths Puzzle Numerical Ability

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

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

Root = 2i

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exam Other Question

Use the ac test to determine which of the following trinomials can be factored. Find the values of m and n for each trinomial that can be factored.

x squared - x + 2
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