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Praxis I Math
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Praxis I Math
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25 Questions

1. 0

2. A collection of points lying on a flat surface that extend indefinitely in any direction

3. What is the formula to calculate the area of a rectangle

4. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)

5. The graph of y= ax^2 + bx + c is a curve know as a ____________

6. To calculate the diagnol of a square you multipy any ______by the _______________of 2

7. The sum of the interior angles of a triangle = ___________

8. In a quadratic equation in 2 unknowns has the general formula ax^2 + bxy + cy^2+dx +ey+ f = 0 the graph is called an __________or a __________ or __________(b=0 and a=c)

9. An angle whose measure is larger than 0 degrees but smaller than 90 degrees

10. The surface area of a cube is what formula

11. The measure of a minor arc is the measure of the __________that intercepts the arc

12. What is the surface area of a sphere with a radius r

13. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)

14. A closed three sided figure is called a ____________

15. The segment from the center of the polygon perpendicular to as side of the polygon

16. An angle whose measure is 180 degrees

17. Two angles whose sum totals 180 degrees

18. Is a polygon whose sides are equal in measure

19. What are the 2 formulas to calculate the circumference of a circle

20. A triangle with one obtuse angle (angle greater than 90 degrees) is

21. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)

22. The square of both a positive number and a negative real number is _____________

23. An angle whose measure is greater than 180 degrees and less than 360 degrees

24. A triangle with a 90 degrees angle

25. In a quadratic equation in 2 unknowns has the general formula ax^2 + bxy + cy^2+dx +ey+ f = 0 the graph is called an __________ (b^2-4ac greater then 0)