Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
ACT MATH REVIEW 1) What is a ratio?______________________________________________________________ 2) A fraction is a _______________________problem. 3) What is the formula for the area of a trapezoid? _____________________________________________________________________________ 4) For arithmetic sequences, find the common _______________________________________ 5) For geometric sequences, find the common________________________________________ 6) What is distance in relation to speed (rate) and time? ________________________________ 7) What is the relationship between radii and tangent lines to a circle? _____________________________________________________________________________ 8a) Pi is a ratio between what two measurements of a circle? _____________________________________________________________________________ 8b) What is the formula for the area of a circle?_______________________________________ 9a) The legs of a right triangle are 3 and 4, what is the hypotenuse? ____________________ 9b) What if the legs were 5 and 12?________________________________________________ 10) All composite numbers can be expressed as a product of ________________numbers. 11) What is the difference between rational and irrational numbers?______________________ ____________________________________________________________________________ 12) Square roots of prime numbers are rational or irrational?____________________________ 13) What is the result when any number is raised to the 0 power?_________________________ 14) Straight lines are produced from algebraic equations with up to three variables when the variables are raised to the power of ___________ or _____________. 15) What do the “m” and the “b” stand for in the equation y=mx + b? ____________________ _____________________________________________________________________________ 16) To find LCM (lowest common multiple) using prime factorization, multiply each unique factor to the ____________ degree. To find the GCF (greatest common factor), multiply common factors to the __________ degree common. 17) If y=Kx or y/x=K, then this is a(n) _____________variation. K is some constant. 18) If y=K/x or yx=K, then this is a(n)________________variation. K is some constant. 19) What does SOHCAHTOA stand for?____________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ 20) Slope is a ratio between the _______________direction or _____variable and the _____________________direction or _________variable. 21) If two points on a line in a plane are (2,8) and (-7, -3), what is the slope? _______________ 22) In a 30, 60, 90 right triangle, if the side opposite the 30 degree is 2, what is the hypotenuse?__________________________. What is the side opposite the 60 degree angle?__________________. 23) In a 45, 45, 90 right triangle, if the hypotenuse is 4, what are the legs?__________________ 24) State the average formula_____________________________________________________ 25) Probabilities are always values between ________ and __________ because ______is the probability that something will never happen and ________is the probability that some phenomenon will always happen. 26) State the Pythagorean Theorem________________________________________________. 27) If two lines are both perpendicular to a third line, what relationship exists between the two lines?_______________________________________________________________________. 28) In an isosceles or equilateral triangle, what does the altitude from one base do to both the vertex angle and the base?________________________________________________________ 29) If you only know the distance and average speed for a journey, how do you find the time for such a journey?________________________________________________________________ 30) The longest side of a triangle is always opposite the __________________angle. 31) If you have four horses and seven riders, how many different horse/rider pairs can be formed?______________________________________________________________________ 32) What is the formula for the circumference of a circle?______________________________ 33a) The angles of a triangle determine its _____________________, while the sides determine its__________________________. 33b) Similar triangles are equal in _____________________________________. 33c) If two corresponding angles are equal in two different triangles, then the two triangles are at least ______________________________. 34a) How do you find the x-intercept for non-horizontal straight lines?___________________ 34b) How do you find the y-intercepts for non-vertical straight lines?____________________ 35a) What is true about the slopes of parallel lines? ________________________ 35b) What is true about slopes of perpendicular lines?_________________________________ 36) The intersection point of two straight lines in a plane is the _________________in a systems of equations problem. 37) A team won 18 of its 30 games, with no ties. What fraction of the 30 games did it lose? 38) State the distance formula ____________________________________________________ 39) State the mid-point formula___________________________________________________ 40) What degree measure is formed when an angle is inscribed in a semicircle?_____________ 41) When solving for a variable in an inequalities problem, if you multiply or divide by a negative number, what do you need to do to the inequality sign?_________________________. 42) If an angle is created from a straight line, what do the two angles add up to?_____________ 43) Percents break anything into ______________________parts. 44) Reciprocals are two numbers when multiplied equal _____________________. 45) The set of inputs into a function is called the _____________and the set of outputs is called the __________________. 46) State the zero product property_________________________________________________ 47) i equals the square root of ____________. i squared equals_____________________ 48) The diagonals of a squares and rhombi are ____________________________________.