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Test your basic knowledge |
Praxis I Math
Start Test
Study First
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 ___________
Right angle
1
Negative
Isosceles
2. A triangle with one obtuse angle (angle greater than 90 degrees) is
Subtract substitute
Consecutive angles
Parallelogram
Obtuse
3. 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)
Addition subtration
Right
Added
Altitude
4. The union of two rays having the same end point
4/3 pi r^3
Exterior angle
Added
Angle
5. What is the volume of a sphere with a radius r
180
Bh
Downward
4/3 pi r^3
6. A portion of a circle is called an ________ of the circle
Added
Arc
Bisect
Index
7. That points of intersection on a triangle are called its _____________
Vertices
Index
Hyperbola
x
8. How do you calculate the area of a parallelogram - what is the formula
Right angle
Coplanar
1/2 (d1 + d2)
Bh
9. y2- y1 divided by x2- x1 = the ____________
Slope
Arc
1/3 pi r^2 h
Roots
10. A parallelogram with right angles and equal diagonals
Plane
Arc
Rectangle
Symmetric
11. The greatest common factor is the largest __________that is common to all member of the set
Factor
Rhomus
Transitive
1/2bh
12. 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)
Trapezoid
Addition subtration
Point slope formula
Hyperbola
13. A _________ number is a number that can be written in the form of a + bi
Inverse
Angle
Point circle does not exist
Complex
14. A ___________is a figure with the same number of sides as angles
Negative
Polygon
Factor
One
15. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Quadratic formula
Hypotenuse
Vertical
Rectangle
16. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Bh
Right
A+b
Y
17. The least common multiple is the smallest quantity divisible by ______ number of the set
1/2h (b1 + b2)
1/3 pi r^2 h
(c - d)/d
Every
18. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
A^3
Acute
Inverse
Equiangular polygon
19. What is the formula for a combination (where order matters)
1/3Bh
N!/(r!(n - r)!)
Hyotenuse
Quadratic formula
20. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
x over 100
Ratio
Median
Quadratic formula
21. What are the 2 formulas to calculate the circumference of a circle
Pi(d) 2(pi)r
(c+d)/d
Trapezoid
Lw
22. A line that joins the midpoint of two sides of a triangle is called the__________
(pi)r ^2
Plane
Parabola
Mildline
23. A series adjacent points that connect
Line
Central angle
Hyperbola
A(bc)
24. Log base b to the b = ____________
2
1
Chord
Line
25. The value of y where a point intersects the x axis = __________
x over 100
Dependent
Ax+ by = c
0
26. A ray _________ divides the angle into 2 angles that have equal measure
Bisect
0
Arc
Ratio
27. If a triangle has two congruent sides then it is an _________triangle
Commutative
x
Isosceles
Ax+ by = c
28. Every real number is a ______________
Index
Lw
Positive
Complex
29. A line that divides a line segment into two congruent segments
Reflexive
4/3 pi r^3
Bisector
Rhomus
30. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
0
Acute
Radius
0
31. What is the surface area of a right circular cylinder with a radius of r and a height of h
A+b
Collinear
2pi r^2 + 2pi rh
Associative
32. What is the formula to calculate the area of a rectangle
0
Lw
Hypotenuse
Distance
33. The volume of a cube is
A^3
4pi r^2
Equilateral
0
34. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Bc
Downward
1/3 pi r^2 h
Roots
35. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
Rectangle
Added
Equiangular polygon
((n -2) (180))/n
36. A triangle with a 90 degrees angle
Right
Square
Central angle
6a^2
37. ___________is a quadrilateral whose opposite sides are parallel
Parallelogram
Roots
0
Lw
38. What is the volume of a cone
Secant
n
Bc
1/3 pi r^2 h
39. The surface area of a cube is what formula
Straight line
1/3 pi r^2 h
1/2 (d)^2
6a^2
40. An angle whose measure is 90 degrees
Bisect
Apothem
Right angle
1
41. What is the formula the formula for an arc if you know the radius and the n= central angle
1/2bh
Adjacent
Circumscribed circle
(n/360) X 2pi r
42. Two angles whose sum totals 90 degrees
D/c
Complimentary
Scalene
2pi r^2 + 2pi rh
43. In a function the x value is the ___________variable
N!/ (n - r)!
Circle
1/2 (d1 + d2)
Dependent
44. To calculate a permutation (order does not matter) what is the formula
Secant
Complex
Parallel
N!/ (n - r)!
45. A rhomus with a right angle
Lw
Complex
Square
Straight line
46. The ____________ says y - y1= m(x-x1)
Point slope formula
Associative
Function single
Reflex
47. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Square
Isosceles
0
Added
48. What property of equality says that a=a
Supplementary
0
Ax+ by = c
Reflexive
49. For each real number a - for each real number b - if a= b - then b=a
Symmetric
Exponent
D/c
1/3Bh
50. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
(n/360) X 2pi r
Inverse
Bh
Ray