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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. The square of a real number cannot be ___________
1/2bh
Negative
Parallelogram
Congruence

2. What is the formula for the area of a triangle
1/2bh
Distance
1
(pi)r ^2

3. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Exterior angle
1
Acute
Collinear

4. The value of x where a point intersects the Y axis= ___________
Rhomus
0
Central angle
G value

5. In a function the x value is the ___________variable
Regular polygon
Vertical
Dependent
Complex

6. What is the formula to calculate the area of a rectangle
Quadratic formula
One
Subtract substitute
Lw

7. 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
Complex
1
Dependent
Equal

8. What is the linear equation where a - b and c are constants b cannot = 0
Every
Congruence
Exterior angle
Ax+ by = c

9. That points of intersection on a triangle are called its _____________
Isosceles
Arc
Vertices
Circumscribed circle

10. An angle whose measure is 90 degrees
Quadratic formula
Bc
Right angle
Positive

11. Two angles whose sum totals 90 degrees
Vertices
Reflexive
Complimentary
Pi(d) 2(pi)r

12. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Median
((n -2) (180))/n
0
Added

13. A triangle with a 90 degrees angle
Right
Negative
Exponent
Polygon

14. An angle whose measure is larger than 90 degrees but less than 180 degrees
Congruent
Obtuse angle
Exponent
0

15. A triangle whose sides are equal
Equilateral
Acute
x over 100
Right

16. Every real number is a ______________
Pi(d) 2(pi)r
Complex
Collinear
Isosceles

17. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Perpendicular
Downward
Acute
Apothem

18. In a logarithm the answer following the = sign is the __________
Multiply
Apothem
Addition subtration
Exponent

19. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Point line
Associative
A+b
Function single

20. The value of y where a point intersects the x axis = __________
0
Chord
Equal
(pi)r ^2

21. To calculate a permutation (order does not matter) what is the formula
N!/ (n - r)!
Parabola parallel line
Addition subtration
A x b x c

22. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Mildline
Multiply
(n/360) X 2pi r
1/3Bh

23. A rhomus with a right angle
Collinear
Pi(d) 2(pi)r
Dependent
Square

24. A ___________is a figure with the same number of sides as angles
Point slope formula
One
Polygon
Parabola parallel line

25. 1/a^n can also be written as a to the ______
Parallel
n
Length number
Supplementary

26. An angle whose measure is 180 degrees
Vertical
Straight line
Square
Straight

27. For each real number a - for each real number b - if a= b - then b=a
Parallel
Isosceles
Symmetric
Scalene

28. The volume of a cube is
A^3
Ab
Acute
Isosceles

29. y2- y1 divided by x2- x1 = the ____________
Slope
Apothem
Dependent
Congruent

30. A __________________ is a circle passing through all the vertices of a polygon
Acute
Bh
Subtract substitute
Circumscribed circle

31. What is the formula for a square if you only know the length of the diaganol
Bisect
1/2 (d)^2
Supplementary
Linear substitute

32. Log base b to the b = ____________
1
(pi)r ^2
4pi r^2
Parallel

33. A closed three sided figure is called a ____________
Rhomus
Triangle
Median
1

34. What is the formula for a combination (where order matters)
N!/(r!(n - r)!)
Congruent
Factoral
Parallel

35. The surface area of a cube is what formula
Downward
(c - d)/d
6a^2
Equilateral

36. In order to decimal to a percentage you need to ______ by 100
Vertices
Multiply
Ab
Isosceles

37. 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)
Radius
Hyperbola
Ax+ by = c
Central angle

38. 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
1/3 pi r^2 h
Distance
One
Quadratic formula

39. Three or more points are said to be ___________if an only if they lie on the same line
Distributive
Collinear
Inverse
Roots

40. When you see f of g replace the x in f(x) with the ___________
G value
Obtuse
Triangle
Square

41. Two distinct straight lines can intersect at most at only one point
Vertices
Complex
(pi)r ^2
One

42. What property of equality says that a=a
x over 100
Reflexive
1/3Bh
Collinear

43. A triangle whose angles all equal 60 degrees
Factor
Equiangular
Point line
Vertical

44. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Distributive
2
Equiangular polygon
Downward

45. The union of two rays having the same end point
Transitive
Ab
Angle
1

46. If all points lie in the same plane they are __________
Coplanar
Central angle
1
Symmetric

47. What is the square of ((x1-x2) + (y1- y2)) =
Bisect
1/3Bh
0
Distance between 2 points

48. What is the formula for the area of a circle
Multiply
Square
(pi)r ^2
1/3Bh

49. Operation in steps = if an event a ways and followed by b ways followed by c ways the total number of ways it can be done is
A+b
Equiangular
A x b x c
0

50. A _________ number is a number that can be written in the form of a + bi
Complex
Ellipse
Point circle does not exist
0