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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 complex numbers the square root of -1 = ______






2. 1/a^n can also be written as a to the ______






3. x= - b (+ or -) square root of (b^2-4ac) divided by 2a - is called the _____________ and can be used to find the roots of a problem






4. The value of y where a point intersects the x axis = __________






5. An angle whose measure is 180 degrees






6. A triangle with no equal sides






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






8. Two angles whose sum totals 180 degrees






9. In the law of proportion if a/b = c/d then ad =






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






11. In order to decimal to a percentage you need to ______ by 100






12. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______






13. A triangle with three acute angles (less than 90 degrees)






14. The greatest common factor is the largest __________that is common to all member of the set






15. The square of 0 is _____






16. 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






17. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






20. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line






21. What is the formula for the area of a square






22. When you have a linear equation such as ax + by = c you may use ___________ or _____________ to solve the problem - (you may first have to multiply through one of the equation to make either the x or y value equal)






23. Two angles with a common vertex and with sides that are 2 pairs of opposite rays






24. A __________is any process that assigns a ___________value of y to each number of x






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






26. What is the area of a pyramid or cone (hint B= area of Base)






27. In a logarithm the answer following the = sign is the __________






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






29. In the law of proportion if a/b = c/d then (a - b)/b =






30. A line that intersects a circle in tow point is called the _______






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






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






33. In a function the x value is the ___________variable






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






35. Log base b to the b^x =






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






37. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle






38. To calculate a permutation (order does not matter) what is the formula






39. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other






40. The value of x where a point intersects the Y axis= ___________






41. What property of equality ways for each real number a - for each real number b - for each real number c - if a=b and b=c - then a=c






42. What is the linear equation where a - b and c are constants b cannot = 0






43. The absolue value of the difference of the coordinates of any two points on the real number line






44. The surface area of a cube is what formula






45. For each real number a - for each real number b - if a= b - then b=a






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






47. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect






48. The least common multiple is the smallest quantity divisible by ______ number of the set






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






50. An angle whose measure is 90 degrees