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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 surface area of a sphere with a radius r
Hypotenuse
4pi r^2
Added
Line
2. 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)
Parabola
Hyperbola
2
Size
3. A line segment joining two poing on a circle is called a ________
Line
2pi r^2 + 2pi rh
Acute
Chord
4. The measure of a minor arc is the measure of the __________that intercepts the arc
Central angle
Parallel
Length number
Symmetric
5. The set of all points on a half line and the dividing point itself
x over 100
Ray
Isosceles
Roots
6. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Reflex
Downward
Ratio
Hypotenuse
7. 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
0
Pi(d) 2(pi)r
Parabola parallel line
1
8. A triangle with a 90 degrees angle
Right
Line
x
Ab
9. What is the area of a pyramid or cone (hint B= area of Base)
Equiangular polygon
Supplementary
Complimentary
1/3Bh
10. A line that divides a line segment into two congruent segments
Straight
Radius
Quadratic formula
Bisector
11. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Trapezoid
Distributive
Added
Ratio
12. The sum of the interior angles of a triangle = ___________
Equal
Transitive
Point circle does not exist
180
13. A line that joins the midpoint of two sides of a triangle is called the__________
Index
Right
Supplementary
Mildline
14. The value of x where a point intersects the Y axis= ___________
Bh
0
Radius
Every
15. A __________________ is a circle passing through all the vertices of a polygon
Circumscribed circle
Parabola parallel line
Commutative
A x b x c
16. When you see f of g replace the x in f(x) with the ___________
G value
Point slope formula
Isosceles
(pi)r ^2
17. In the law of proportion if a/b = c/d then (a - b)/b =
Radius
(c - d)/d
Function single
2pi r^2 + 2pi rh
18. A triangle with three acute angles (less than 90 degrees)
Parallel
Acute
Y
Y
19. What is the surface area of a right circular cylinder with a radius of r and a height of h
2pi r^2 + 2pi rh
Polygon
Consecutive angles
1/2 (d1 + d2)
20. What is the square of ((x1-x2) + (y1- y2)) =
1/2 (d)^2
Ray
Distance between 2 points
Polygon
21. If all points lie in the same plane they are __________
S^2
Equal
Vertices
Coplanar
22. 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
Symmetric
Ab
Triangle
Quadratic formula
23. The square of 0 is _____
Isosceles
0
Isosceles
Right
24. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Altitude
Ab
Length number
Coplanar
25. An angle whose measure is 90 degrees
4pi r^2
2pi r^2 + 2pi rh
A(bc)
Right angle
26. How do you calculate the area of a parallelogram - what is the formula
Bh
Reflex
Coplanar
x over 100
27. To calculate a permutation (order does not matter) what is the formula
N!/ (n - r)!
4pi r^2
A+b
D/c
28. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
Ray
0
Inverse
1/2 (d1 + d2)
29. A collection of points lying on a flat surface that extend indefinitely in any direction
Plane
Factoral
(pi)r ^2
Bisect
30. To find the x intersept we need to make __________= 0
Y
Circle
Equiangular
Ratio
31. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
Associative
A(bc)
Hyperbola
Pi(d) 2(pi)r
32. A closed three sided figure is called a ____________
Complimentary
Triangle
1/2 (d)^2
Radius
33. What is the formula the formula for an arc if you know the radius and the n= central angle
6a^2
Plane
(n/360) X 2pi r
Arc
34. What is the formula for the area of a triangle
Pi r^2 h
1/2bh
Acute
0
35. What type of trapezoid has its non parallel sides equal
0
Parabola parallel line
Isosceles
Pi r^2 h
36. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Hyotenuse
Complimentary
A x b x c
Congruence
37. Log base b to the b^x =
Added
1
x
Reflexive
38. A ___________is a figure with the same number of sides as angles
Polygon
Radius
Side square root
Point line
39. A rhomus with a right angle
Square
Ax+ by = c
Extranous excluded
2pi r^2 + 2pi rh
40. 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)
Transitive
Ellipse
Pi(d) 2(pi)r
Size
41. The absolue value of the difference of the coordinates of any two points on the real number line
Triangle
Distance
Factor
Function single
42. In a logarithm the answer following the = sign is the __________
Pi r^2 h
Lw
Isosceles
Exponent
43. 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)
Right angle
Equilateral polygon
Associative
1
44. 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
Acute
Isosceles
Linear substitute
Regular polygon
45. Is a polygon that is both equilateral and equangular
Supplementary
Scalene
Regular polygon
Lw
46. In a function the x value is the ___________variable
Coplanar
Dependent
Equilateral
Radius
47. In the law of proportion if a/b = c/d then ad =
Right angle
I
Ellipse
Bc
48. If a triangle has two congruent sides then it is an _________triangle
Isosceles
Equiangular polygon
Line
1
49. An angle whose measure is 180 degrees
Distance between 2 points
Reflexive
Straight
One
50. What is the volume of a cone
Factoral
Right
Linear substitute
1/3 pi r^2 h