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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. In order to decimal to a percentage you need to ______ by 100
Multiply
1/3 pi r^2 h
Index
Parallel
2. In a logarithm the answer following the = sign is the __________
Factoral
Exponent
Ratio
Ax+ by = c
3. A triangle with one obtuse angle (angle greater than 90 degrees) is
4pi r^2
Apothem
Obtuse
Obtuse angle
4. A closed three sided figure is called a ____________
Vertical
Equilateral
Added
Triangle
5. An angle whose measure is greater than 180 degrees and less than 360 degrees
Isosceles
Reflex
Equiangular polygon
Distance
6. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Rhomus
Straight line
Multiply
0
7. What is the square of ((x1-x2) + (y1- y2)) =
1/3 pi r^2 h
Vertical
Distance between 2 points
Pi r^2 h
8. A series adjacent points that connect
Line
4/3 pi r^3
Hyotenuse
Ax+ by = c
9. What is the formula for the area of a circle
(c+d)/d
(pi)r ^2
1/2h (b1 + b2)
180
10. What is the formula the formula for an arc if you know the radius and the n= central angle
(pi)r ^2
Straight
(n/360) X 2pi r
Adjacent
11. 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)
Point slope formula
1/2 (d1 + d2)
Hyperbola
A+b
12. What is the formula for a combination (where order matters)
Ax+ by = c
N!/(r!(n - r)!)
Angle
I
13. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Acute
Pi(d) 2(pi)r
1/3 pi r^2 h
Point circle does not exist
14. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
A x b x c
Added
x over 100
N!/(r!(n - r)!)
15. Two distinct straight lines can intersect at most at only one point
Vertices
Distance between 2 points
One
1/2bh
16. Every real number is a ______________
Complex
Consecutive angles
Radius
I
17. 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)
Ellipse
180
Extranous excluded
Roots
18. The value of y where a point intersects the x axis = __________
A x b x c
Side square root
0
Size
19. Two lines are said to be ______________ if they intersect and form right angles
Collinear
Multiply
Perpendicular
Dependent
20. What is 4 to the power of 1/2 or 4^1/2
Acute
2
Subtract substitute
Reflexive
21. In the law of proportion if a/b = c/d then (a - b)/b =
(c - d)/d
Size
Every
Rectangle
22. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
1
Quadratic formula
Radius
Isosceles
23. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Coplanar
Downward
Symmetric
Length number
24. A set of points in the seame plane equidistant from a fixed point - called its center
Circle
Parabola
S^2
Hyotenuse
25. Angles that are equal
Distributive
Parabola parallel line
Subtract substitute
Congruent
26. The square of both a positive number and a negative real number is _____________
Index
Chord
Positive
Distributive
27. A collection of points lying on a flat surface that extend indefinitely in any direction
Plane
Equilateral
180
Vertical
28. The y value of the vertex of parabola is the equation
Bisect
4pi r^2
(4ac - b^2)/4a
Mildline
29. The volume of a cube is
Multiply
Negative
A^3
Point circle does not exist
30. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
A(bc)
Equal
Subtract substitute
Commutative
31. A parallelogram with right angles and equal diagonals
Factoral
Rectangle
I
(4ac - b^2)/4a
32. An angle whose measure is larger than 90 degrees but less than 180 degrees
Adjacent
Line
Obtuse angle
Every
33. When solving a system of equation with 2 quadratic function - first __________ one equation from the other equation to find isolate one variable - solve for that variable - then ______ and solve for the other variable
(n/360) X 2pi r
Subtract substitute
N!/(r!(n - r)!)
Parabola parallel line
34. ___________is a quadrilateral whose opposite sides are parallel
Parallelogram
Inverse
Roots
Exponent
35. 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 x b x c
Ab
(c+d)/d
1/2 (d1 + d2)
36. What is the formula for the area of a triangle
Equiangular
1/2bh
Symmetric
Acute
37. 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
Equal
Rectangle
Triangle
1/2bh
38. A line segment joining two poing on a circle is called a ________
Equilateral
Chord
Adjacent
Hyperbola
39. In the law of proportion if a/b = c/d then ad =
Parallelogram
Acute
Size
Bc
40. The ____________ says y - y1= m(x-x1)
Ratio
Point slope formula
Straight
Perpendicular
41. The measure of a minor arc is the measure of the __________that intercepts the arc
Transitive
Perpendicular
Added
Central angle
42. 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
Quadratic formula
Ellipse
Congruence
Parallelogram
43. The segment from the center of the polygon perpendicular to as side of the polygon
Radius
Congruent
Ratio
Apothem
44. Two angles whose sum totals 180 degrees
2
Side square root
Supplementary
Linear substitute
45. i^2 = _____________
1
Ratio
Equiangular polygon
A x b x c
46. If you want to convert a fraction to a percentage you need to make it =
x over 100
180
n
2pi r^2 + 2pi rh
47. Is a polygon whose angles are equal in measurement
Associative
Equiangular polygon
Ab
Downward
48. Once you find the roots of a radical equation you must check them to see if any are __________roots (which means they are not equal when plugged back into the original formula) these roots must be ___________
0
Extranous excluded
Subtract substitute
Straight line
49. A _________ number is a number that can be written in the form of a + bi
Straight line
Distance
Parabola
Complex
50. The x value of the vertex of a parabola is the equation
Hyperbola
b/2a
Circumscribed circle
Positive
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