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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. Two lines are said to be ______________ if they intersect and form right angles






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






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






4. 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






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






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






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






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






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






10. A line that joins the midpoint of two sides of a triangle is called the__________






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






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






13. When solving a system of equation involving quadratics and one is linear and the other is quadratic - solve the _______ first - then substitue the found value into the quadratic and solve for the other unknown






14. A ray _________ divides the angle into 2 angles that have equal measure






15. What type of trapezoid has its non parallel sides equal






16. Is a polygon whose sides are equal in measure






17. 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)






18. The union of two rays having the same end point






19. What is the formula for the area of a rhomus - (hint d= diagonal)






20. 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)






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






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






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






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






25. 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






26. 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






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






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






29. A rhomus with a right angle






30. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______






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






32. The surface area of a cube is what formula






33. 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)






34. 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)






35. Log base b to the b^x =






36. Every real number is a ______________






37. Two angles whose sum totals 180 degrees






38. Is a polygon that is both equilateral and equangular






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






40. 1/a^n can also be written as a to the ______






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






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






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






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






45. The inverse property of multiplication says that for every real number a - a cannot = 0 ther is a real number a^____such that a X a ^____ = a^____ X a =1






46. A series adjacent points that connect






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






48. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________






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






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