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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. What is the formula for the area of a rhomus - (hint d= diagonal)
Distributive
Index
Downward
1/2 (d1 + d2)
2. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
Triangle
N!/ (n - r)!
Central angle
((n -2) (180))/n
3. 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)
Inverse
Ellipse
Y
6a^2
4. In a logarithm the answer following the = sign is the __________
Ab
Pi(d) 2(pi)r
Addition subtration
Exponent
5. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Altitude
Size
Obtuse
A x b x c
6. What is the volume of a sphere with a radius r
Circumscribed circle
Parabola parallel line
Perpendicular
4/3 pi r^3
7. 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)
Complimentary
Ellipse
Addition subtration
Exterior angle
8. In a function the x value is the ___________variable
Supplementary
Equiangular
Slope
Dependent
9. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
(c+d)/d
1/2h (b1 + b2)
Complex
Equal
10. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Central angle
Equiangular polygon
Quadratic formula
Commutative
11. A point has no ________or thickness
Trapezoid
Isosceles
Size
Collinear
12. A _________ number is a number that can be written in the form of a + bi
I
Supplementary
Complex
Right angle
13. How do you calculate the area of a parallelogram - what is the formula
Addition subtration
Bh
1/2 (d1 + d2)
Distributive
14. An angle whose measure is greater than 180 degrees and less than 360 degrees
Reflex
Bc
1/2h (b1 + b2)
n
15. Is a polygon whose sides are equal in measure
x over 100
Rectangle
Vertices
Equilateral polygon
16. 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)
Parallel
Complex
I
Point circle does not exist
17. A collection of points lying on a flat surface that extend indefinitely in any direction
(pi)r ^2
Chord
Plane
Function single
18. If all points lie in the same plane they are __________
Exponent
Circumscribed circle
1/2h (b1 + b2)
Coplanar
19. If a triangle has two congruent sides then it is an _________triangle
Parabola parallel line
Acute
Isosceles
Ellipse
20. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Median
Side square root
Parabola
Circle
21. y2- y1 divided by x2- x1 = the ____________
Every
Slope
Factoral
Ax+ by = c
22. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Transitive
Area of a polygon
Median
Point circle does not exist
23. 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
Parabola parallel line
1/3 pi r^2 h
b/2a
Mildline
24. Log base b to the b^x =
x
Vertices
2
A x b x c
25. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Point line
Collinear
Square
A x b x c
26. In order to decimal to a percentage you need to ______ by 100
Perpendicular
Bh
1/2h (b1 + b2)
Multiply
27. A triangle with three acute angles (less than 90 degrees)
Acute
Equiangular polygon
Subtract substitute
A(bc)
28. What is the surface area of a sphere with a radius r
Coplanar
Index
Straight
4pi r^2
29. 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
Ray
N!/ (n - r)!
Transitive
Exponent
30. Two angles whose sum totals 90 degrees
Complimentary
6a^2
Equiangular polygon
Y
31. Two lines are said to be ______________ if they intersect and form right angles
0
Ratio
1/3Bh
Perpendicular
32. What type of trapezoid has its non parallel sides equal
(4ac - b^2)/4a
Quadratic formula
Associative
Isosceles
33. A ___________is a figure with the same number of sides as angles
Polygon
n
Bh
Trapezoid
34. A line that intersects a circle in tow point is called the _______
One
Secant
N!/ (n - r)!
N!/(r!(n - r)!)
35. The square of a real number cannot be ___________
Linear substitute
Pi(d) 2(pi)r
Side square root
Negative
36. What is the formula for the area of a triangle
1/2bh
Angle
Straight
1
37. 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
0
Linear substitute
S^2
Congruent
38. In the law of proportion if a/b = c/d then ad =
Bc
Parallel
Hyotenuse
Addition subtration
39. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
Congruent
2
Parallel
(c - d)/d
40. The set of all points on a half line and the dividing point itself
Ax+ by = c
Ray
Bisect
Point circle does not exist
41. The greatest common factor is the largest __________that is common to all member of the set
Factor
Downward
Mildline
Polygon
42. A closed three sided figure is called a ____________
(pi)r ^2
Acute
Triangle
6a^2
43. A __________________ is a circle passing through all the vertices of a polygon
Function single
1/3Bh
Apothem
Circumscribed circle
44. A line that divides a line segment into two congruent segments
(c - d)/d
Equiangular polygon
Bisector
A x b x c
45. What is the surface area of a right circular cylinder with a radius of r and a height of h
A+b
2pi r^2 + 2pi rh
x
Added
46. 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
Straight
1/2 (d1 + d2)
1
A x b x c
47. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
1
Congruence
Parabola parallel line
One
48. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
Multiply
6a^2
Roots
A(bc)
49. ___________is a quadrilateral whose opposite sides are parallel
S^2
Lw
0
Parallelogram
50. The x value of the vertex of a parabola is the equation
Bh
b/2a
Radius
Ab