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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
Regular polygon
Parallel
A x b x c
Complex
2. A triangle with three acute angles (less than 90 degrees)
Ratio
Acute
Vertical
Polygon
3. A line segment joining two poing on a circle is called a ________
N!/(r!(n - r)!)
Side square root
Chord
I
4. What is the formula for the area of a square
1/2 (d1 + d2)
Median
Pi(d) 2(pi)r
S^2
5. What is the formula the formula for an arc if you know the radius and the n= central angle
Acute
Isosceles
(n/360) X 2pi r
Vertical
6. An angle whose measure is larger than 90 degrees but less than 180 degrees
Equal
Obtuse angle
Commutative
1
7. A _________ number is a number that can be written in the form of a + bi
Obtuse
N!/(r!(n - r)!)
Complex
N!/ (n - r)!
8. Three or more points are said to be ___________if an only if they lie on the same line
Obtuse
Congruent
Regular polygon
Collinear
9. A ___________is a figure with the same number of sides as angles
Equilateral polygon
Obtuse
n
Polygon
10. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Plane
(n/360) X 2pi r
Median
Parabola parallel line
11. 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
Size
Subtract substitute
Complex
Straight
12. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
6a^2
Right angle
Commutative
2pi r^2 + 2pi rh
13. 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)
Positive
Hyperbola
Multiply
Arc
14. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Circumscribed circle
Square
Vertical
Ratio
15. Angles that are equal
Congruent
Complimentary
Square
Regular polygon
16. 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
Exterior angle
Regular polygon
Chord
Parabola parallel line
17. What is the linear equation where a - b and c are constants b cannot = 0
Adjacent
Ax+ by = c
Arc
Secant
18. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Straight
Radius
Consecutive angles
Acute
19. A triangle with one obtuse angle (angle greater than 90 degrees) is
Negative
Obtuse
A x b x c
Polygon
20. The x value of the vertex of a parabola is the equation
1/2bh
b/2a
G value
Hypotenuse
21. 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)
A^3
Ab
Point circle does not exist
Size
22. Every real number is a ______________
A x b x c
Added
Y
Complex
23. The graph of y= ax^2 + bx + c is a curve know as a ____________
Every
Parabola
Plane
1/2bh
24. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Parabola
Congruence
Scalene
Central angle
25. A triangle with having at least 2 equal sides
Perpendicular
Arc
Isosceles
Apothem
26. The absolue value of the difference of the coordinates of any two points on the real number line
0
Distance
Added
180
27. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Radius
(c+d)/d
Hyotenuse
Area of a polygon
28. An angle whose measure is greater than 180 degrees and less than 360 degrees
D/c
Complex
Mildline
Reflex
29. What is the formula to calculate the area of a rectangle
Lw
Point line
Vertical
Distributive
30. What type of trapezoid has its non parallel sides equal
Reflex
Congruence
Trapezoid
Isosceles
31. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
1/2 (d1 + d2)
Pi r^2 h
Distributive
Altitude
32. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Radius
Vertices
1
Pi r^2 h
33. 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
Bh
(pi)r ^2
Reflexive
34. The volume of a cube is
A^3
Collinear
A+b
4pi r^2
35. What are the 2 formulas to calculate the circumference of a circle
Pi(d) 2(pi)r
Scalene
2pi r^2 + 2pi rh
(c+d)/d
36. A collection of points lying on a flat surface that extend indefinitely in any direction
Index
Isosceles
Multiply
Plane
37. 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 ___________
Extranous excluded
2pi r^2 + 2pi rh
n
Straight
38. The sum of the interior angles of a triangle = ___________
Bisector
180
Equal
n
39. The square of both a positive number and a negative real number is _____________
Positive
Length number
Factoral
x
40. Log base b to the b = ____________
1
Angle
Symmetric
Complimentary
41. The y value of the vertex of parabola is the equation
Rhomus
(4ac - b^2)/4a
Lw
Linear substitute
42. What is the area of a pyramid or cone (hint B= area of Base)
Central angle
Parabola
1/3Bh
Secant
43. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
1/2h (b1 + b2)
N!/(r!(n - r)!)
Distributive
Triangle
44. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Collinear
Ratio
Parabola
n
45. In a function the x value is the ___________variable
Every
N!/ (n - r)!
Dependent
4/3 pi r^3
46. Two lines are said to be ______________ if they intersect and form right angles
Line
Perpendicular
Consecutive angles
A x b x c
47. An angle whose measure is 90 degrees
Congruence
Addition subtration
Right angle
Apothem
48. 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
Regular polygon
Linear substitute
Commutative
Side square root
49. A point has no ________or thickness
x over 100
Straight line
Size
Added
50. What is the formula for the area of a circle
(pi)r ^2
0
Perpendicular
Isosceles