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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. A triangle with a 90 degrees angle
n
1/2h (b1 + b2)
Right
Line
2. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Side square root
1/2h (b1 + b2)
Pi r^2 h
A(bc)
3. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
Adjacent
((n -2) (180))/n
x
A+b
4. A line that intersects a circle in tow point is called the _______
Ratio
Line
Equiangular polygon
Secant
5. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
Addition subtration
A+b
Ab
(c - d)/d
6. What is the formula to calculate the area of a rectangle
Lw
Bisect
Extranous excluded
Factor
7. The square of a real number cannot be ___________
Trapezoid
Every
Negative
1
8. When you see f of g replace the x in f(x) with the ___________
2
Positive
Ax+ by = c
G value
9. An angle whose measure is 180 degrees
Quadratic formula
Straight
Central angle
b/2a
10. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Parabola
Complex
A^3
Pi r^2 h
11. The ____________ says y - y1= m(x-x1)
Point slope formula
Point circle does not exist
Bh
Equal
12. What is the formula for a combination (where order matters)
Triangle
Quadratic formula
N!/(r!(n - r)!)
Right angle
13. In the law of proportion if a/b = c/d then (a - b)/b =
Scalene
(c - d)/d
1/3Bh
Median
14. That points of intersection on a triangle are called its _____________
Secant
(c - d)/d
Mildline
Vertices
15. In the law of proportion if a/b = c/d then (a+b)/ b =
2
Supplementary
6a^2
(c+d)/d
16. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Point line
Hyotenuse
Supplementary
Factor
17. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Median
Equal
Isosceles
Point slope formula
18. 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!/(r!(n - r)!)
Subtract substitute
A^3
Isosceles
19. What property of equality says that a=a
Commutative
Reflexive
Straight line
0
20. What are the 2 formulas to calculate the circumference of a circle
Bisect
4/3 pi r^3
2pi r^2 + 2pi rh
Pi(d) 2(pi)r
21. In the law of proportion if a/b = c/d then b/a =
Symmetric
Commutative
Median
D/c
22. A line that divides a line segment into two congruent segments
1
Bisector
Distance between 2 points
Exterior angle
23. A closed three sided figure is called a ____________
Scalene
Hyotenuse
Triangle
Congruent
24. A point has no ________or thickness
Size
Isosceles
Subtract substitute
Ray
25. In complex numbers the square root of -1 = ______
I
Congruence
Ellipse
Central angle
26. 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
Triangle
Equiangular
Subtract substitute
27. In a function the x value is the ___________variable
Equiangular polygon
Size
Dependent
Circumscribed circle
28. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Pi r^2 h
Collinear
Roots
Isosceles
29. Is a polygon that is both equilateral and equangular
Inverse
Regular polygon
Dependent
Slope
30. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Area of a polygon
1/2h (b1 + b2)
Quadratic formula
Point line
31. Two angles with a common vertex and a common side but no common interior points
Adjacent
A(bc)
Circumscribed circle
Side square root
32. Angles that are equal
Hyotenuse
Polygon
Congruent
Rectangle
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 __________ (b^2-4ac greater then 0)
Secant
Equilateral
1/3 pi r^2 h
Hyperbola
34. Positions = number of position can be calculated by finding the ______ of the total number of items
Extranous excluded
1/3 pi r^2 h
A(bc)
Factoral
35. The segment from the center of the polygon perpendicular to as side of the polygon
Symmetric
Apothem
Rectangle
(4ac - b^2)/4a
36. A triangle whose sides are equal
180
Multiply
Equilateral
Inverse
37. A _________ number is a number that can be written in the form of a + bi
Coplanar
Inverse
Complex
Complimentary
38. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
Parallel
Ray
Hypotenuse
N!/(r!(n - r)!)
39. The surface area of a cube is what formula
6a^2
Collinear
Reflexive
Rhomus
40. The _______ tells how many times the root needs to be multiplied by itself
1
Reflexive
1
Index
41. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Scalene
Point circle does not exist
Ratio
Acute
42. What is the formula the formula for an arc if you know the radius and the n= central angle
Obtuse angle
Factoral
(n/360) X 2pi r
Slope
43. What is 4 to the power of 1/2 or 4^1/2
2
Ray
b/2a
Pi r^2 h
44. A ray _________ divides the angle into 2 angles that have equal measure
Right angle
Bh
Bisect
Arc
45. If all points lie in the same plane they are __________
Arc
Bc
((n -2) (180))/n
Coplanar
46. A portion of a circle is called an ________ of the circle
Arc
Right
Angle
(n/360) X 2pi r
47. The inverse property of multiplication says that for every real number a - a cannot = 0 ther is a real number a^____such that a X a ^____ = a^____ X a =1
1
Isosceles
Equal
Isosceles
48. The absolue value of the difference of the coordinates of any two points on the real number line
Trapezoid
Bc
(n/360) X 2pi r
Distance
49. ___________is a quadrilateral whose opposite sides are parallel
Transitive
Parallelogram
Circumscribed circle
1/2 (d1 + d2)
50. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Line
Vertices
Exponent
Commutative
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