SAT Subject Test Mathematics Level 2
PERCENTS with 0. The 50th digit is 3. 27 . Identifying the Parts and the Whole The key to solving most fracti ...
RATIOS, PROPORTIONS, AND RATES Setup: 1.05x = 59,346 31 . Combined Percent Increase and Decrease To determine ...
AVERAGES 35 . Rate To solve a rate problem, use the units to keep things straight. Example: If snow is ...
POSSIBILITIES AND PROBABILITY 38 . Average of Evenly Spaced Numbers To find the average of evenly spaced numbers, ...
POWERS AND ROOTS example, with 5 shirts and 7 pairs of pants to choose from, you can have 5 × 7 = ...
ABSOLUTE VALUE You can add or subtract radical expressions when the part under the radicals is the same: Don’ ...
ALGEBRAIC EXPRESSIONS 51 . Evaluating an Expression To evaluate an algebraic expression, plug in the given v ...
FACTORING ALGEBRAIC EXPRESSIONS term in the second. After multiplying two polynomials together, the number of term ...
SOLVING EQUATIONS To factor a quadratic expression, think about what binomials you could use FOIL on to ge ...
64 . Translating from English into Algebra To translate from English into algebra, look for the key word ...
FUNCTIONS COORDINATE GEOMETRY reverse the sign. To solve −5x + 7 < −3, subtract 7 from both sides to ...
To find the distance between points, use the Pythagorean theorem or special right triangles. The difference between t ...
LINES AND ANGLES 74 . Using an Equation to Find the Slope To find the slope of a line from an equ ...
TRIANGLES—GENERAL In the figure above, the angles marked a° and b° are adjacent and supplementary, so a + b = ...
In the figure above, the exterior angle labeled x° is equal to the sum of the remote angles: x = 50 100 = ...
RIGHT TRIANGLES The height is the perpendicular distance between the side that’s chosen as the base and the op ...
(leg 1 )^2 + (leg 2 )^2 = (hypotenuse)^2 If one leg is 2 and the other leg is 3, then: 85 . The 3-4-5 Triangl ...
OTHER POLYGONS 87 . The 30-60-90 Triangle The sides of a 30-60-90 triangle are in a ratio of You do ...
of the lengths of the four sides, which is equivalent to 2(length + width). Area of Rectangle = length ...
CIRCLES If PQRS is a square, all sides are the same length as QR. The perimeter of a square is equal to f ...
«
20
21
22
23
24
25
26
27
28
29
»
Free download pdf