GMAT Official Guide Quantitative Review 2019_ Book

GMAT® Official Guide 2019 Quantitative Review (5) (x')5 = xrs = (x')\ for example, (x^3 )^4 = x^12 = (x^4 )^3. (6) (7) (8) x-r=_ ...

3.2 Algebra Absolute Value The absolute value of x, denoted lxl, is defined to be x if x�0 and -x if x < 0. Note that 丘 den ...

GMAT® Official Guide 2019 Quantitative Review 3.3 Geometry Lines In geometry, the word "line" refers to a straight line that ex ...

3.3 ' Geometry lines片and乌are parallel, denoted by£ 1 II£ 2. If two parallel lines are intersected by a third line, as shown belo ...

GMAT® Official Guide 2019 Quantitative Review The commonly used phrase "area of a triangle" (or any other plane figure) is used ...

3.3 t Geometry 二 Y 卜尸尸—— d In 45°-45°-90°triangles, the lengths of the sides are in the ratio 1:1: Ji. For example, in L1JKL, 叮L ...

GMAT® Official Guide 20 19 Quantitative Review Quadrilaterals A polygon with four sides is a quadrilateral A quadrilateral in w ...

3.3 Geometry Circles A circle is a set of points in a plane that are all located the same distance from a fixed point (the cen ...

GMAT® Official Guide 2019 Quantitative Review The line£ above is tangent to the circle and radius OT is perpendicular to£. If ea ...

3.3 , Geometry The figure above is a right circular cylinder. The two bases are circles of the same size with centers O and P, r ...

GMAT® Official Guide 2019 Quantitative Review Each point in the plane has an x-coordinate and a y-coordinate. A point is identif ...

3.3 Geometry y (-^2 ,2) -3 - 2 -1 (2,0) ． ． 1 2 3 X 1 In the equation y = mx + b of a line, the coefficient m is the slope of ...

GMAT® Official Guide 2019 Quantitative Review 4 - 3 - 2 y (- 2,4) S 4 3 1^0 1 2 3 4 -5 1 2 3 4 X (3,-3) The slope of this ...

3.3 Geometry There is also a connection between functions (see section 4.2.10) and the coordinate plane. If a function is graphe ...

GMAT® Official Guide 2019 Quantitative Review If all the points were graphed for -2 :::;; x:::;; 2, then the graph would appear ...

3.4 Word Problems During the second 200 miles, the car traveled at 50 mph; therefore, it took —^200 - = 4 hours to travel the 50 ...

GMAT® Official Guide 2019 Quantitative Review Example 2: If Art and Rita can do a job in 4 hours when working together at their ...

3.4 Word Problems Example 1: If $8,000 is invested at 6 percent simple annual interest, how much interest is earned after 3 mont ...

GMAT® Official Guide 2019 Quantitative Review Sets If Sis the set of numbers 1, 2, 3, and 4, you can write S = [l, 2, 3, 4}. Se ...

3.4 Word Problems Geometry Problems The following is an example of a word problem involving geometry. Example: SJ;) 芯日ooz 200 ...