100% Correct Answers
What is the process for writing a number in scientific notation - Answer-Place a decimal
after the first digit and count the number of places the original decimal needs to be
moved. The number of places will be the positive exponent for the large numbers and it
will be the negative exponent for numbers less than one.
58,300,000 = 5.83 x 10^7
0.000000124 = 1.24 x 10^-6
How can you rewrite x^-a with a positive exponent - Answer-1/x^a
What is the acronym FOIL used for? - Answer-It is used to multiply two binomials
First Outer Inner Last
(x+3)(2x-5) =
2x^2 - 15x + 6 - 15 = 2x^2 - 9x - 15
Formula for slope - Answer-m= y2-y1/x2-x1
How can you factor x^2-y^2 - Answer-x^2 - y^2 = (x -y)(x+y)
What is the slope of a horizontal line? - Answer-0
What is the definition of a function - Answer-a relationship where each input value only
has one output value
What determiens whether a graph of an inequality is solid or a dashed line - Answer-If
the inequality has a line under it, the line will be solid. If the inequality is just < or >, it will
be dashed.
Domain - Answer-refers to acceptable inputs or x-values, for a given function.
Range - Answer-refers to the outputs or y-values of a given function
Two lines that intersect to form a 90 degree angle are - Answer-Perpendicular
Two lines that are the same but never intersect are - Answer-parallel