This document contains a review key for a 10th grade final exam with questions covering algebra, geometry, trigonometry, and diagrams. The key provides short answers or solutions to 25 questions in point form without showing steps or explanations.

2. 1/m3

3. y4z4/16x8

4. -366. 4+3(x3-y3)<br />7. -3x-2y-xy-10<br />8. 13x/2 – 17y/12<br />9. 4x2-15x+9<br />10. 6x2(1+6x)(1-6x)<br />11. (4z2/y3)(3xz2-1)(3xz2+1)<br />12. (x-10)(x+3)<br />13. (b-2c)(a+4)<br />14. (5w-1)(w+1)<br />15. (√5x-√2)(√5x+√2)<br />16. x=8<br />17. ∑EA = 360o ∑IA = 2520o EEA=22.5o EIA=157.5o # of diagonals = 104<br />18 This is a diagram of intersecting lines…(hint: vertical angles are equal to each other).<br />19. This is a diagram of a parallelogram…(hint: opposite angles are equal, and consecutive angles <br /> are supplementary).<br />20. 6zy/(5z-7y)<br />21. This is a diagram of an isosceles trapezoid…(hint: Upper angles are equal as well as base angles).<br />22. Perimeter=16m<br />23. This is a diagram of a circle with both a central and inscribed angle (hint: The central angle is <br /> twice the measure of the inscribed angle).<br />24. θ≈28o<br />25. tanθ<br /> <br />