SAT Math Flashcards
ABC Factoring
How do you do ‘ABC’ Factoring?
ABC Factoring
Absolute Value Equations
How do you solve an Absolute Value Equation?
Adding/Subtracting Fractions
What do you need in order to Add/Subtract fractions?
Altitude to the Hypotenuse of a Right Triangle
What are the 2 ratios you need to know for the Altitude to the Hypotenuse of a Right Triangle?
Quadratics (Basic Form & Attributes)
What is the Basic Quadratic Function and what does each letter represent?
BC Factoring
How do you do BC Factoring?
Box Plot
What are all the components of a Box Plot?
Circles
What are the formulas for Circumference and Area of a circle?
Cofunctions of Complementary Angles
What do you need to know about the Cofunctions of Complementary Angles?
Completing the Square
What are the steps for Completing the Square?
D = RT
What is the Distance formula?
Data Collection
What 3 things do you need to remember for Data Collection Questions?
Degrees/Radians
What is the conversion factor between Radians and Degrees?
Difference of Squares
How does a Difference of Squares factor?
Dividing Fractions
How do you divide fractions?
Double- and Half-Step Quadratics
How do Double and Half-Step Quadratics factor?
Exponents and Radicals
What are all the Exponent Rules you need to know for the SAT?
Exponential Function, Every X
How can the exponents change (and what do they mean) in an Exponential Function?
Exponential Function
What is the basic Exponential Function and what does each letter represent?
F(x) Notation
How does f(x) notation work?
X- and Y-Intercepts
How do you find X- and Y-Intercepts?
Graphing Inequalities
How do you graph Inequalities?
Inequalities
When do you flip the sign of an inequality?
Linear Functions
What is the Basic Linear Function (Slope-Intercept Form) and what does each letter represent?
Mean, Median, Mode, Range
What are Mean, Median, Mode, and Range?
Exponents (Negative)
How do Negative Exponents work?
Number of Solutions for 2 Lines
What are the 3 ways in which two lines can interact? What are the conditions that lead to each of the 3 possibilities?
Parallel Lines
The slopes of parallel lines are…?
Percent Change
How do you correctly apply a percent change?
Perpendicular Lines
The slopes of perpendicular lines are…?
Quadratic Formula
What is the Quadratic Formula?
Slope of a Line
How do you calculate the slope of a line when given 2 points?
Slope of a Line
How can you caclulate the slope of a line when you are given a graph?
SOHCAHTOA
What is SOHCAHTOA?
Special Right Triangles
What is the relationship between the sides of a 30-60-90 special right triangle?
Special Right Triangles
What is the relationship between the sides of a 45-45-90 special right triangle?
Square Roots Reminder
Technically, how many answers does a square root give you?
Sum/Product of the Solutions (Quadratic)
What is the fomula for the Sum of the Solutions in a Quadratic? The Product of the Solutions in a Quadratic?
System of Equations (Linear)
What are the two ways of solving a system of linear equations?
Unwanted Denominators
How do you get rid of unwanted denominators (i.e. fractions)?
Vertex Form (Quadratic)
What is the Vertex Form of a Quadratic? And what does every letter represent?
Vertex of a Parabola
What are the 2 ways of finding the Vertex of a Parabola?
Quadratic Function Reminder
When you are given a Quadratic Function, what should you always think of doing first?
Unit Conversion
How do you do Unit Conversion?
X= and Y= Lines
What do X= and Y= Lines look like (respectively)?
Actual vs Predicted
On a scatter plot with a line of best fit and points (see image), which are the predicted values and which are the actual values?
Percent Change
What is the Percent Change formula?
Circle Equation
What is the basic Equation of a Circle?
Conditional Probability
What do you need to remember on Conditional Probability questions?
Discriminant
What is the Discriminant and when do you use it? What are the 3 possibilities?
Distance on XY Axis
How should you calculate distance on an XY axis?
Linear Functions
What is the Point-Slope form of the Basic Linear Function?
Intersections
When a question asks about the intersection of two equations, what should you do?
Linear vs Exponential
How can you tell if a function is Linear vs Exponential in a given situation?
Number of Degrees in a Polygon
How do you calculate the total number of degrees in a polygon?
Radical Equations
What should you always do after you’ve solved a Radical Equation?
Rational Equations
What should you always do when solving rational equations?
Similar vs Congruent
What’s the difference between Similar and Congruent Shapes?
Squaring a Radical
What happens when you square a radical?
Standard Deviation
What is Standard Deviation?
System of Equations
What shoud you do when you’re given a system of linear equations and are being asked for an expression, instead of the value of x or y?
System of Equations (Word Problem)
What should you do when you are given a system of linear equations in a word problem?
Translations/Function Shifts
What happens to a function when add to the outside of it? To the inside of it?
When Given a Point…
What should you do when you are given a point?
Word Problems
What should you do on confusing word problems?
X-Intercepts, Zeros, Roots, Solutions (Quadratic)
What do you need to know about the x-intercepts, the zeros, the roots, and the solutions in a Quadratic?
AB Quadratic
How does an AB Quadratic factor? (ax2+bx)
AB Quadratic
Cross-Multiplying for Proportions
How should you solve a proportion (i.e. 2 fractions set equal to each other)?
Cross-Multiplying for Proportions
GCF Factoring
What is GCF Factoring?
GCF Factoring
Line of Best Fit w/Fake XY Axes
If you realize a Line of Best Fit has Fake XY Axes (which you should always be aware of), what linear equation formula should you use?
Line of Best Fit w/Fake XY Axes
Fractions of a Circle
How do you calculate the area or circumference of a fraction of a circle?
Fractions of a Circle
Median on a Histogram
How do you calculate Median on a histogram?
Median on a Histogram
