and Valid Answers
(parenthesis, exponents, multiplication, division, addition, subtraction) work left to right -
correct answer ✔✔PEMDAS
Ex: 5^2= 25; 25 is the standard notation (the answer or solution) - correct answer ✔✔Standard
Notation
+ - correct answer ✔✔+ times +
- - correct answer ✔✔+ times -
+ - correct answer ✔✔- times -
Need a common denominator. Then add numerators. - correct answer ✔✔Adding or
Subtracting fractions
Multiply top*top, bottom*bottom - correct answer ✔✔Multiplying fractions
Flip 2nd fraction and multiply
Ex: 2/5 ÷ 3/9= 2/5 × 9/3 - correct answer ✔✔Dividing fractions
Formula: amount of change÷original number. - correct answer ✔✔Percent Increase or Decrease
problems
, Formula: I=prt - correct answer ✔✔Interest
Named using any two point on a line w a two sided arrow above them - correct answer ✔✔Line
Points that are on the same line - correct answer ✔✔Collinear Points
A plane is written using 3 non-collinear points - correct answer ✔✔Plane
Points that lie in the same plane - correct answer ✔✔Coplanar points
A line segment is named using both end points with a line above them - correct answer ✔✔Line
Segment
A ray is named using its endpoint first and then any other point on the ray pointing to the right
above them - correct answer ✔✔Ray
2 lines that share exactly one point - correct answer ✔✔Intersecting lines
2 lines that are always the same distance apart and never touch - correct answer ✔✔Parallel
lines
The relationship between 2 lines which meet at a right angle (90degrees). Perpendicular lines= 2
lines intersect at a right angle - correct answer ✔✔Perpendicular lines
90 degrees - correct answer ✔✔Right angle
between 0 degrees and 90 degrees - correct answer ✔✔Acute angle