URI Math Placement Exam (New 2024/
2025 Update) Questions and Verified
Answers_ 100% Correct_ Graded A
QUESTION
finding equation of line given two points
Answer:
-find slope
-using y=mx+b: plug in slope, and x and y from either ordered pair
-solve for b
QUESTION
solve for x in fractions
Answer:
-get x fraction alone
-clean up other side
-if x is in denominator, flip both sides of equation
-multiply both sides by denominator of x
QUESTION
f(x) = x squared ?
Answer:
Function "F" takes "X" and turns it into X squared
QUESTION
calculating functions
Answer:
-replace all functions with output
, -clean up and simplify
-if h isn't there, a = 0
QUESTION
shifting graphs
Answer:
y = Asin ( Bx + C ) + D
A = vertical stretch
B = horizontal stretch
-bigger number = squish
C = horizontal shift
-positive = shift left
D = vertical shift
QUESTION
Logs
Answer:
FAE
-first
-answer
-exponent
QUESTION
Log and ln properties (3)
Answer:
-multiplication inside = addition outside
-division inside = subtraction outside
-exponent inside = move exponent to front as multiplier
QUESTION
2025 Update) Questions and Verified
Answers_ 100% Correct_ Graded A
QUESTION
finding equation of line given two points
Answer:
-find slope
-using y=mx+b: plug in slope, and x and y from either ordered pair
-solve for b
QUESTION
solve for x in fractions
Answer:
-get x fraction alone
-clean up other side
-if x is in denominator, flip both sides of equation
-multiply both sides by denominator of x
QUESTION
f(x) = x squared ?
Answer:
Function "F" takes "X" and turns it into X squared
QUESTION
calculating functions
Answer:
-replace all functions with output
, -clean up and simplify
-if h isn't there, a = 0
QUESTION
shifting graphs
Answer:
y = Asin ( Bx + C ) + D
A = vertical stretch
B = horizontal stretch
-bigger number = squish
C = horizontal shift
-positive = shift left
D = vertical shift
QUESTION
Logs
Answer:
FAE
-first
-answer
-exponent
QUESTION
Log and ln properties (3)
Answer:
-multiplication inside = addition outside
-division inside = subtraction outside
-exponent inside = move exponent to front as multiplier
QUESTION
