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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 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)






2. A series adjacent points that connect






3. What is the formula the formula for an arc if you know the radius and the n= central angle






4. 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)






5. A triangle with having at least 2 equal sides






6. 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)






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






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






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






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






11. When you find the inverse of a function switch the x value with a ____ - solve for y






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






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






14. Angles that are equal






15. A parallelogram with right angles and equal diagonals






16. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive






17. Two distinct straight lines can intersect at most at only one point






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






19. 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)






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






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






22. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0






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






24. The volume of a cube is






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






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






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






28. 1/a^n can also be written as a to the ______






29. When you see f of g replace the x in f(x) with the ___________






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






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






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






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






34. If you want to convert a fraction to a percentage you need to make it =






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






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






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






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






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






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






41. In a function the x value is the ___________variable






42. 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






43. A triangle whose angles all equal 60 degrees






44. 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






45. Log base b to the b = ____________






46. 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






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






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






49. A set of points in the seame plane equidistant from a fixed point - called its center






50. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number