College Math Placement Exam Review (New
2024/ 202 Update) Questions and Verified
Answers_ 100% Correct_ Graded A
QUESTION
positive slope
Answer:
when line slants upwards left to right , ex: m=2/3
QUESTION
negative slope
Answer:
when line slants downwards , ex: m(slope)= -2/3
QUESTION
m=slope=rise/run=change in x/change in y
Answer:
QUESTION
rise
Answer:
vertical distance between two points
QUESTION
,run
Answer:
horizontal distance between two points
QUESTION
Slope-intercept form
Answer:
y=mx+b
m=slope, b= y-value of y-coordinate
QUESTION
slope int form example
Answer:
y= 2/3x -4
2/3=slope, -4= y-value of y-int
QUESTION
start with y int when graphing slope int form of a line
Answer:
QUESTION
find slope&y int of line 3x+ 2y= 6
Answer:
y needs to be by itself in order for equation to be in slope int form
, QUESTION
point-slope form
Answer:
y-y1=m(x-x1)
QUESTION
Laws of exponents
Answer:
2 times 2 times 2 times 2 = 2^4
2=base, 4= exponent
QUESTION
3^4 times 3^5 have same base of 3
Answer:
3^9
QUESTION
rule
Answer:
a^m times a^n =a^m+n
for exponents multiplication is addition
QUESTION
rule: multiplying 2 powers together
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