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Praxis I Math

Subjects : praxis, math
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. In order to decimal to a percentage you need to ______ by 100






2. 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 __________ (if a - b and c are not zero)






3. An angle whose measure is 180 degrees






4. A triangle whose angles all equal 60 degrees






5. What is the surface area of a right circular cylinder with a radius of r and a height of h






6. Every real number is a ______________






7. What is the formula for the area of a triangle






8. In a function the x value is the ___________variable






9. Once you find the roots of a radical equation you must check them to see if any are __________roots (which means they are not equal when plugged back into the original formula) these roots must be ___________






10. To find the x intersept we need to make __________= 0






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






12. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac






13. A _________ number is a number that can be written in the form of a + bi






14. In a quadratic equation with 2 unknown which has the formula ax^2 + bxy + cy^2 + dx + ey + f the graph is _____________ or a pair of __________ if ( b^2-4ac= 0) which may be coincident or it does not exist






15. Two angles whose sum totals 90 degrees






16. What is 4 to the power of 1/2 or 4^1/2






17. When calculating the probability of independent events you need to __________ (words like and &' followed by' )






18. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________






19. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon






20. How do you calculate the area of a parallelogram - what is the formula






21. The surface area of a cube is what formula






22. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba






23. To solve a system of equations you must first make the two equations ___________to each other - then use the discrimant to find if the system has any real roots






24. A line segment joining two poing on a circle is called a ________






25. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side






26. A ___________is a figure with the same number of sides as angles






27. In complex numbers the square root of -1 = ______






28. What is the formula for a square if you only know the length of the diaganol






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






30. When solving a system of equation with 2 quadratic function - first __________ one equation from the other equation to find isolate one variable - solve for that variable - then ______ and solve for the other variable






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






32. What is the formula for a combination (where order matters)






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






34. A rhomus with a right angle






35. A portion of a circle is called an ________ of the circle






36. A parallelogram with right angles and equal diagonals






37. That points of intersection on a triangle are called its _____________






38. The y value of the vertex of parabola is the equation






39. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon






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






41. If a triangle has two congruent sides then it is an _________triangle






42. A triangle with no equal sides






43. What is the volume of a sphere with a radius r






44. The _________property of addition says that for every real number a - for every real number b for every real number c (a+b) + c = a + (b+c)






45. Wha tis the volume of a right circular cylinder with a radius of r and a height of h






46. A line that divides a line segment into two congruent segments






47. The _______ tells how many times the root needs to be multiplied by itself






48. A point has no ________or thickness






49. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______






50. A closed three sided figure is called a ____________