Math 124 UNLV Exam 1 questions and
answers graded A+
Distance Formula - correct answer ✔✔ d = √(x2 - x1)^2 + (y2 - y1)^2
slope-intercept form - correct answer ✔✔ y=mx+b
slope formula - correct answer ✔✔ y2-y1/x2-x1
midpoint formula - correct answer ✔✔ (x₁+x₂)/2, (y₁+y₂)/2
point slope form - correct answer ✔✔ y-y1=m(x-x1)
circle formula - correct answer ✔✔ (x-h)^2 + (y-k)^2 = r^2
Polynomial - correct answer ✔✔ an expression that is the sum of a number of terms
Domain - correct answer ✔✔ The set of all first coordinates in a relation or function
Range - correct answer ✔✔ The set of all second coordinates in a relation or function
Function - correct answer ✔✔ A relation such that every element in the domain corresponds to
only one value in the range
Relation - correct answer ✔✔ a set of ordered pairs with no conditions
answers graded A+
Distance Formula - correct answer ✔✔ d = √(x2 - x1)^2 + (y2 - y1)^2
slope-intercept form - correct answer ✔✔ y=mx+b
slope formula - correct answer ✔✔ y2-y1/x2-x1
midpoint formula - correct answer ✔✔ (x₁+x₂)/2, (y₁+y₂)/2
point slope form - correct answer ✔✔ y-y1=m(x-x1)
circle formula - correct answer ✔✔ (x-h)^2 + (y-k)^2 = r^2
Polynomial - correct answer ✔✔ an expression that is the sum of a number of terms
Domain - correct answer ✔✔ The set of all first coordinates in a relation or function
Range - correct answer ✔✔ The set of all second coordinates in a relation or function
Function - correct answer ✔✔ A relation such that every element in the domain corresponds to
only one value in the range
Relation - correct answer ✔✔ a set of ordered pairs with no conditions
