Test your basic knowledge |

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






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






3. Angles that are equal






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






5. Is a polygon that is both equilateral and equangular






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






7. A triangle with a 90 degrees angle






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






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






10. The side of a right triangle opposite the right angle






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






12. 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






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






14. Is a polygon whose angles are equal in measurement






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






16. What is a quadrilateral with 2 and only 2 sides parallel






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






18. 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)






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






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






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






22. 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)






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






24. An angle whose measure is 90 degrees






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






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






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






28. 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






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






30. 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






31. A point has no ________or thickness






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






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






34. Log base b to the b = ____________






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






36. 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)






37. In a function the x value is the ___________variable






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






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






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






41. Two angles with a common vertex and a common side but no common interior points






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






43. The square of a real number cannot be ___________






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






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






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






47. A __________________ is a circle passing through all the vertices of a polygon






48. y2- y1 divided by x2- x1 = the ____________






49. 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)






50. A triangle whose sides are equal