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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 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
180
4/3 pi r^3
Congruence
Subtract substitute
2. A triangle whose sides are equal
1/2 (d1 + d2)
Pi(d) 2(pi)r
Positive
Equilateral
3. If you want to convert a fraction to a percentage you need to make it =
Factoral
x over 100
Addition subtration
Length number
4. What is the square of ((x1-x2) + (y1- y2)) =
Chord
Distance between 2 points
Length number
Right
5. A collection of points lying on a flat surface that extend indefinitely in any direction
x
Right angle
Plane
Size
6. What is the area of a pyramid or cone (hint B= area of Base)
1/3Bh
Scalene
Downward
Radius
7. Two angles whose sum totals 180 degrees
Supplementary
A^3
Vertical
Y
8. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Median
Distributive
Rhomus
1/2 (d)^2
9. The set of all points on a half line and the dividing point itself
Equilateral
Adjacent
Commutative
Ray
10. 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
Exponent
Hyperbola
Parabola
11. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
Length number
2
Right
((n -2) (180))/n
12. Log base b to the b = ____________
A x b x c
I
1
Function single
13. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Congruence
Vertices
Symmetric
Size
14. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Point slope formula
Bisector
Function single
Point line
15. i^2 = _____________
1/3Bh
1
Parabola
Parabola parallel line
16. What is the formula for a combination (where order matters)
A x b x c
Acute
N!/(r!(n - r)!)
Equilateral
17. The x value of the vertex of a parabola is the equation
1/3Bh
b/2a
Hypotenuse
Pi(d) 2(pi)r
18. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Side square root
Hyotenuse
Ratio
1/3Bh
19. What is the surface area of a sphere with a radius r
A x b x c
4pi r^2
b/2a
Complex
20. If a triangle has two congruent sides then it is an _________triangle
Straight
Isosceles
Trapezoid
Complex
21. For each real number a - for each real number b - if a= b - then b=a
Quadratic formula
A(bc)
One
Symmetric
22. An angle whose measure is 90 degrees
Equiangular
(c+d)/d
Right angle
Distributive
23. 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
Straight line
(c+d)/d
Isosceles
24. A __________________ is a circle passing through all the vertices of a polygon
0
Commutative
Circumscribed circle
Equiangular
25. The ____________ says y - y1= m(x-x1)
Point slope formula
Parallelogram
Ax+ by = c
Collinear
26. The measure of a minor arc is the measure of the __________that intercepts the arc
Parabola
Central angle
Complex
Radius
27. Three or more points are said to be ___________if an only if they lie on the same line
Apothem
Quadratic formula
Mildline
Collinear
28. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
Ray
Multiply
Parallel
2
29. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
S^2
b/2a
Roots
((n -2) (180))/n
30. To find the x intersept we need to make __________= 0
(c - d)/d
Extranous excluded
Y
A(bc)
31. In a function the x value is the ___________variable
Dependent
Line
Right angle
Commutative
32. Is a polygon that is both equilateral and equangular
Dependent
Isosceles
Regular polygon
A(bc)
33. 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
Adjacent
Associative
Circumscribed circle
34. In order to decimal to a percentage you need to ______ by 100
Chord
Multiply
Subtract substitute
Linear substitute
35. What is the linear equation where a - b and c are constants b cannot = 0
Parabola
Ax+ by = c
Parallelogram
(c - d)/d
36. 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
Distance between 2 points
A+b
Transitive
Area of a polygon
37. In a logarithm the answer following the = sign is the __________
Right
Exponent
Consecutive angles
D/c
38. ___________is a quadrilateral whose opposite sides are parallel
Vertices
Every
n
Parallelogram
39. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Parabola parallel line
(n/360) X 2pi r
Obtuse angle
Commutative
40. The value of y where a point intersects the x axis = __________
Supplementary
Parabola
0
Dependent
41. 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
Pi r^2 h
1
Circumscribed circle
Symmetric
42. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Consecutive angles
Side square root
Chord
Parallelogram
43. A portion of a circle is called an ________ of the circle
Complex
6a^2
Straight line
Arc
44. Positions = number of position can be calculated by finding the ______ of the total number of items
1/2 (d1 + d2)
2pi r^2 + 2pi rh
Hyotenuse
Factoral
45. Two angles with a common vertex and a common side but no common interior points
Positive
Adjacent
Bisect
Dependent
46. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Added
Downward
Multiply
Subtract substitute
47. What are the 2 formulas to calculate the circumference of a circle
Dependent
Pi(d) 2(pi)r
Index
Rhomus
48. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
S^2
Line
Distributive
Circumscribed circle
49. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
1/2 (d)^2
Acute
Equilateral polygon
1/2h (b1 + b2)
50. The square of 0 is _____
Every
0
1/3 pi r^2 h
Isosceles