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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 point has no ________or thickness
Isosceles
6a^2
1/2h (b1 + b2)
Size
2. The y value of the vertex of parabola is the equation
(4ac - b^2)/4a
A+b
N!/ (n - r)!
Polygon
3. 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
Point line
Linear substitute
Altitude
A^3
4. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Dependent
A^3
Complex
Straight line
5. A __________________ is a circle passing through all the vertices of a polygon
Negative
Positive
Secant
Circumscribed circle
6. Every real number is a ______________
Extranous excluded
Added
Triangle
Complex
7. When you find the inverse of a function switch the x value with a ____ - solve for y
Vertical
Rectangle
Y
Obtuse angle
8. In a logarithm the answer following the = sign is the __________
Exponent
1
Ellipse
A^3
9. A series adjacent points that connect
Line
(n/360) X 2pi r
Straight
Equiangular polygon
10. A __________is any process that assigns a ___________value of y to each number of x
Parallel
Dependent
Function single
Acute
11. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Commutative
Radius
Ab
A x b x c
12. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Chord
Acute
Altitude
Parabola
13. An angle whose measure is greater than 180 degrees and less than 360 degrees
Perpendicular
Reflex
Factor
x over 100
14. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Obtuse angle
Apothem
Distributive
Equiangular
15. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
Dependent
1/2h (b1 + b2)
Y
Angle
16. The x value of the vertex of a parabola is the equation
Consecutive angles
Isosceles
b/2a
0
17. Angles that are equal
Side square root
Secant
Equiangular
Congruent
18. The value of x where a point intersects the Y axis= ___________
Multiply
0
Straight
Isosceles
19. Log base b to the b = ____________
Linear substitute
1
Acute
1/3 pi r^2 h
20. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
Regular polygon
Acute
Obtuse
Subtract substitute
21. An angle whose measure is larger than 90 degrees but less than 180 degrees
Obtuse angle
A^3
Adjacent
Negative
22. The graph of y= ax^2 + bx + c is a curve know as a ____________
Parabola
Right
Coplanar
Lw
23. What is the volume of a sphere with a radius r
1/2bh
Chord
Parallel
4/3 pi r^3
24. What is the formula for the area of a triangle
Equilateral polygon
1/2bh
Square
Ab
25. A line that joins the midpoint of two sides of a triangle is called the__________
Pi(d) 2(pi)r
Hyperbola
Point circle does not exist
Mildline
26. A _________ number is a number that can be written in the form of a + bi
Complex
Point slope formula
Distributive
Radius
27. ___________is a quadrilateral whose opposite sides are parallel
x over 100
Parallelogram
Pi r^2 h
(4ac - b^2)/4a
28. 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 ___________
Side square root
Extranous excluded
x
Parallel
29. The side of a right triangle opposite the right angle
Hypotenuse
Ax+ by = c
One
1
30. In a function the x value is the ___________variable
4/3 pi r^3
Equilateral
Lw
Dependent
31. If a triangle has two congruent sides then it is an _________triangle
Isosceles
(c+d)/d
Parallelogram
2pi r^2 + 2pi rh
32. A line that intersects a circle in tow point is called the _______
Positive
Apothem
Index
Secant
33. In the law of proportion if a/b = c/d then (a+b)/ b =
1/2 (d1 + d2)
Factor
(c+d)/d
x
34. 1/a^n can also be written as a to the ______
1/3 pi r^2 h
Parallelogram
n
Right angle
35. Two angles whose sum totals 180 degrees
A(bc)
Bc
1/2 (d)^2
Supplementary
36. A collection of points lying on a flat surface that extend indefinitely in any direction
Complimentary
((n -2) (180))/n
Plane
Congruence
37. The sum of the interior angles of a triangle = ___________
Scalene
180
6a^2
Secant
38. The value of y where a point intersects the x axis = __________
Vertices
Right
Supplementary
0
39. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Exterior angle
Equilateral
Subtract substitute
Radius
40. 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)
Regular polygon
Point circle does not exist
Parabola
Perpendicular
41. 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)
Equal
Congruent
Ellipse
Equilateral polygon
42. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
2pi r^2 + 2pi rh
1/3Bh
Radius
Collinear
43. The surface area of a cube is what formula
(n/360) X 2pi r
Isosceles
x
6a^2
44. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
Mildline
S^2
(4ac - b^2)/4a
A(bc)
45. What property of equality says that a=a
Reflexive
Congruent
Complimentary
0
46. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Length number
Exterior angle
Perpendicular
Radius
47. A triangle with having at least 2 equal sides
Isosceles
Equilateral polygon
Obtuse
1
48. Is a polygon whose sides are equal in measure
Linear substitute
Scalene
Equilateral polygon
Subtract substitute
49. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
A+b
I
Distance
n
50. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
Positive
Ax+ by = c
Complex
((n -2) (180))/n