exam Maths Puzzle Numerical Ability

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

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exam Other Question

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 how do i simplify this problem? y^3/5( y^1/2-y^-1/2)

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