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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. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Multiply
Trapezoid
Perpendicular
Complimentary
2. That points of intersection on a triangle are called its _____________
Complimentary
Negative
Ax+ by = c
Vertices
3. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Isosceles
Obtuse angle
Downward
Line
4. 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)
Distributive
1/3Bh
Associative
Trapezoid
5. If you want to convert a fraction to a percentage you need to make it =
Isosceles
Ax+ by = c
Radius
x over 100
6. Three or more points are said to be ___________if an only if they lie on the same line
Apothem
Downward
Collinear
Radius
7. Is a polygon whose sides are equal in measure
Equilateral polygon
Supplementary
Equiangular
Collinear
8. A __________________ is a circle passing through all the vertices of a polygon
Distributive
Exterior angle
Circumscribed circle
N!/ (n - r)!
9. What is a quadrilateral with 2 and only 2 sides parallel
Trapezoid
Equiangular
Size
A(bc)
10. A triangle with no equal sides
Equiangular
Scalene
Obtuse angle
Length number
11. The value of y where a point intersects the x axis = __________
Addition subtration
Linear substitute
0
I
12. What is the formula for the area of a circle
Ab
Lw
Altitude
(pi)r ^2
13. An angle whose measure is greater than 180 degrees and less than 360 degrees
Addition subtration
Bisect
Reflex
Ab
14. A rhomus with a right angle
Square
1/3Bh
Isosceles
Regular polygon
15. What is the surface area of a sphere with a radius r
1/2 (d1 + d2)
4pi r^2
Secant
Plane
16. The union of two rays having the same end point
Angle
Bc
Exterior angle
Size
17. What is the formula for the area of a rhomus - (hint d= diagonal)
Circle
2
Transitive
1/2 (d1 + d2)
18. What is the volume of a cone
1/2 (d)^2
1/3 pi r^2 h
Equal
Bc
19. In the law of proportion if a/b = c/d then (a+b)/ b =
Rhomus
(c+d)/d
Negative
Trapezoid
20. A closed three sided figure is called a ____________
Straight
Apothem
Reflexive
Triangle
21. A series adjacent points that connect
Ratio
Line
1/2 (d1 + d2)
Straight line
22. What property of equality says that a=a
6a^2
Slope
Y
Reflexive
23. To calculate the diagnol of a square you multipy any ______by the _______________of 2
A+b
Subtract substitute
Side square root
Bh
24. The set of all points on a half line and the dividing point itself
Isosceles
Ray
Central angle
Adjacent
25. What is the formula the formula for an arc if you know the radius and the n= central angle
(n/360) X 2pi r
1/2h (b1 + b2)
Multiply
N!/(r!(n - r)!)
26. If a triangle has two congruent sides then it is an _________triangle
Isosceles
N!/ (n - r)!
Quadratic formula
Radius
27. The square of a real number cannot be ___________
Reflex
Hyotenuse
Equilateral
Negative
28. A triangle with three acute angles (less than 90 degrees)
Adjacent
Positive
Acute
N!/(r!(n - r)!)
29. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Trapezoid
Symmetric
Roots
Ax+ by = c
30. 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
Isosceles
Ab
Function single
31. What property of equality ways for each real number a - for each real number b - for each real number c - if a=b and b=c - then a=c
1/2 (d)^2
Transitive
Median
Added
32. What is the formula for a combination (where order matters)
Plane
Every
Associative
N!/(r!(n - r)!)
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
Regular polygon
Mildline
1
Subtract substitute
34. A triangle with a 90 degrees angle
Bh
I
Right
Median
35. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Exterior angle
Circle
Median
Size
36. The segment from the center of the polygon perpendicular to as side of the polygon
Rectangle
Area of a polygon
Multiply
Apothem
37. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Hyotenuse
Pi(d) 2(pi)r
Obtuse angle
1
38. The sum of the interior angles of a triangle = ___________
180
Ellipse
Commutative
1
39. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
6a^2
Y
A+b
Ellipse
40. An angle whose measure is 180 degrees
Parallel
Parabola parallel line
Ratio
Straight
41. To find the x intersept we need to make __________= 0
Y
Line
Bisector
Reflexive
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
Slope
Acute
Ab
Quadratic formula
43. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Regular polygon
Collinear
Straight line
Complimentary
44. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Line
Radius
n
Area of a polygon
45. What is the volume of a sphere with a radius r
Multiply
4/3 pi r^3
Apothem
x
46. 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
Distance
A x b x c
Point slope formula
Secant
47. The value of x where a point intersects the Y axis= ___________
Size
0
2pi r^2 + 2pi rh
Straight
48. Two angles with a common vertex and a common side but no common interior points
Pi r^2 h
Radius
Adjacent
Arc
49. When you see f of g replace the x in f(x) with the ___________
N!/(r!(n - r)!)
Exponent
A(bc)
G value
50. How do you calculate the area of a parallelogram - what is the formula
Bh
Median
0
n