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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. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
Parallel
1/2 (d1 + d2)
Symmetric
1
2. A triangle with one obtuse angle (angle greater than 90 degrees) is
Equal
Circumscribed circle
Negative
Obtuse
3. Two angles whose sum totals 90 degrees
Complimentary
Addition subtration
Obtuse
Hyotenuse
4. If you want to convert a fraction to a percentage you need to make it =
x over 100
Ray
Distributive
Linear substitute
5. A triangle with having at least 2 equal sides
Isosceles
Parabola
Inverse
Pi r^2 h
6. When you find the inverse of a function switch the x value with a ____ - solve for y
A^3
Trapezoid
Y
Equiangular
7. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Distributive
Ab
Right
Roots
8. The square of 0 is _____
Bisect
Apothem
Isosceles
0
9. What type of trapezoid has its non parallel sides equal
A x b x c
Y
Isosceles
Bh
10. A series adjacent points that connect
Apothem
Ray
A^3
Line
11. When you see f of g replace the x in f(x) with the ___________
G value
Ellipse
Addition subtration
Extranous excluded
12. Two distinct straight lines can intersect at most at only one point
G value
Congruence
One
1/2 (d1 + d2)
13. Is a polygon whose angles are equal in measurement
Ab
Distance between 2 points
Equiangular polygon
Circle
14. 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)
Roots
Ellipse
Chord
G value
15. If all points lie in the same plane they are __________
Scalene
Parabola
1/2 (d1 + d2)
Coplanar
16. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
((n -2) (180))/n
Distributive
b/2a
Hyperbola
17. The measure of a minor arc is the measure of the __________that intercepts the arc
Central angle
1/3 pi r^2 h
Regular polygon
Roots
18. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Altitude
Symmetric
((n -2) (180))/n
Bh
19. In the law of proportion if a/b = c/d then (a - b)/b =
2pi r^2 + 2pi rh
(c - d)/d
Factor
Complex
20. A line that intersects a circle in tow point is called the _______
Ratio
Secant
Trapezoid
n
21. The value of x where a point intersects the Y axis= ___________
Acute
0
Pi(d) 2(pi)r
Hyperbola
22. What is the surface area of a sphere with a radius r
(n/360) X 2pi r
4pi r^2
Extranous excluded
Congruence
23. A ___________is a figure with the same number of sides as angles
Angle
Polygon
Pi(d) 2(pi)r
Factoral
24. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Multiply
0
Side square root
Acute
25. The graph of y= ax^2 + bx + c is a curve know as a ____________
1
Apothem
Coplanar
Parabola
26. In order to decimal to a percentage you need to ______ by 100
Multiply
Supplementary
2pi r^2 + 2pi rh
Straight line
27. 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)
Chord
x over 100
Point circle does not exist
0
28. What are the 2 formulas to calculate the circumference of a circle
Pi(d) 2(pi)r
Apothem
Triangle
Y
29. Log base b to the b^x =
x
b/2a
0
Adjacent
30. 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
Obtuse angle
Y
Linear substitute
Median
31. Every real number is a ______________
Complex
Negative
Exponent
Roots
32. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Straight
Ratio
Function single
Ray
33. In complex numbers the square root of -1 = ______
Circle
Equilateral polygon
I
Bh
34. y2- y1 divided by x2- x1 = the ____________
0
Distance
Acute
Slope
35. What is the formula for the area of a triangle
6a^2
1/2bh
Function single
Supplementary
36. A closed three sided figure is called a ____________
0
Triangle
1/2bh
Extranous excluded
37. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Added
4pi r^2
(n/360) X 2pi r
Parallelogram
38. A portion of a circle is called an ________ of the circle
Obtuse
Arc
Ellipse
1
39. Two lines are said to be ______________ if they intersect and form right angles
b/2a
Distance
Perpendicular
Added
40. The union of two rays having the same end point
Angle
Plane
Hyotenuse
Point slope formula
41. 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
Central angle
Congruence
(pi)r ^2
Subtract substitute
42. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Central angle
Pi r^2 h
Vertical
Transitive
43. A _________ number is a number that can be written in the form of a + bi
b/2a
Vertical
6a^2
Complex
44. A point has no ________or thickness
Hypotenuse
Central angle
Length number
Size
45. A rhomus with a right angle
Pi(d) 2(pi)r
Square
Slope
Exponent
46. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Hyotenuse
Parabola
Downward
Point line
47. An angle whose measure is larger than 90 degrees but less than 180 degrees
b/2a
Obtuse angle
Equiangular polygon
Ray
48. 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
Parabola parallel line
Congruence
(n/360) X 2pi r
49. What is the formula for the area of a circle
Scalene
Index
Multiply
(pi)r ^2
50. The square of both a positive number and a negative real number is _____________
Positive
Associative
Downward
Hyperbola