Cracking The SAT Premium

intercept equation takes the form y = mx + b, where m is the slope and b is the y-intercept. Let’s ...

Here’s an example: 4. Which of the following could be the equation of the line represented in the graph abov ...

The equation in the previous example would be –5x + y = 3 when written in the standard form. Using ...

slope of (C) is – , or –6; and the slope of (D) is – , which equals –3. So, (D) is the correct answer. Para ...

C) D) Here’s How to Crack It Since the question asks for a line perpendicular to the line 2x + 5y = ...

gx – hy = 78 4 x + 3y = 13 In the system of equations above, g and h are constants. If the system has in ...

Two Equations with No Solutions You saw above that a system of equations can have infinitely many solu ...

which is a similar idea. Let’s try one: 14.In the xy-plane, which of the following is a point of intersect ...

Here’s How to Crack It You can use the formula for the midpoint of a line segment: . If you forget it, try t ...

This creates a triangle with legs of 1.5 and 1.5; the hypotenuse (the distance from the origin) woul ...

A) 9 B) 15 C) (approximately 9.43) D) (approximately 10.82) Here’s How to Crack It Start by finding the x- and y-int ...

y = f(x) Sometimes, instead of seeing the typical y = mx + b equation, or something similar, you’ll see ...

you see a function of f(x) = 7, then you need to understand that this is a graph of a horizont ...

You may have realized how easy these problems would become if you simply put them into your graphing ...

29.Which of the following is an equivalent form of the equation of the graph shown in the xy-plane abov ...

so you would still have to guess from among the remaining three answer choices. Knowing the vertex of ...

Here’s How to Crack It Start by building what you know of the circle formula: If the center is at point ...

Functions and Graphs Drill 1: No Calculator Section Use your new knowledge of functions and graphs to ...

D) 10 .The graph of line l in the xy-plane passes through the points (2, 5) and (4, 11). The graph of line ...

C) 0 D) 1 ...