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






2. A series adjacent points that connect






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






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






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






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 surface area of a cube is what formula






8. Every real number is a ______________






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






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






11. 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






12. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle






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






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






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






16. A triangle whose sides are equal






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






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






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






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






21. What is the square of ((x1-x2) + (y1- y2)) =






22. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')






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






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






25. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________






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






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






28. In a function the x value is the ___________variable






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






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






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






32. Log base b to the b^x =






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






34. A parallelogram with right angles and equal diagonals






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






36. What is the formula for the area of a circle






37. The ____________ says y - y1= m(x-x1)






38. Is a polygon whose angles are equal in measurement






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






40. The sum of the interior angles of a triangle = ___________






41. 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)






42. 1/a^n can also be written as a to the ______






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






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






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






46. A triangle whose angles all equal 60 degrees






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






48. 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)






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






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