Scientists knew this but did not recognize how large a role they played in helping kelp forests to significantly decrease the amount of carbon dioxide in the atmosphere.
Scientists knew this but did not recognize how large a role they played in helping kelp forests to significantly decrease the amount of carbon dioxide in the atmosphere.
Front
Question about "they" in sentence
A) No Change
B) how large a role that it played
C) how large a role sea otters played
D) that they played such a large role
Answer: C
Back
Zero rule
Front
B^0=1
Back
Equation for a circle in XY Plane
Front
(x - h) ^2 + (y - k)^2 = r^2 where (h,k) is the center of the circle and r is radius
Back
Because today's students can accept to hold multiple jobs - some of which may not even exist yet - during our lifetime, studying philosophy allows them to be flexible and adaptable.
Front
For "our" in this sentence
A) No Change
B) one's
C) his or her
D) their
Answer: D
Back
Perpendicular line relationship
Front
Opposite signs and reciprocal of each other
Back
Which of the following equations has a graph in the y-plane for which y is always greater than or equal to -1?
Front
A) y = abs(x) - 2
B) y = x^2 - 2
C) y = (x-2)^2
D) y = x^3 - 2
Answer: B
Back
x^2 + y^2 + 4X - 2Y = -1
What is the radius of this circle?
Front
A) 2
B) 3
C) 4
D) 9
Answer is B
practice help http://www.regentsprep.org/regents/math/algtrig/atc1/circlelesson.htm
Back
This trend, combined with the increasing accessibility of information via the internet, has led some to claim that librarianship is in decline as a profession.
Front
Question about "has" in sentence
A) No Change
B) have
C) which have
D) which has
Answer: No Change
Back
Y=mx+b
What is m
What is b
Front
M= slope
B= y intercept
Back
Quotient rule 1
Front
A^n/a^m=a^n-m
2^5/2^3=2^5-3=2^2=4
Back
Special Right Triangles - 45, 45, 90
Front
Back
(A^n)^m
Front
A^nm
Back
if a/b = 2, what is the value of 4*(b/a)
Front
A) 0
B) 1
C) 2
D) 4
Answer is C
Back
Distance formula
Front
Back
Scientists have long known that soot particles facilitate melting by darkening snow and ice, limiting it's ability to reflect the sun's rays.
Front
For "it's" in this sentence
A) No Change
B) its
C) there
D) their
Answer: D
Back
According to Box, a leading Greenland expert, tundra fires in 2012 from as far away as North America produce great amounts of soot, some of which drifted over Greenland in giant plumes of smoke and then fell as particles onto the ice sheet.
Front
For "fell" in this sentence
A) No Change
B) falls
C) will fall
D) had fallen
Answer: A
Back
A landscaping company estimates the price of a job, in dollars, using the expression 60+12nh, where n is the number of landscapers who will be working and h is the total number of hours the job will take using n landscapers. Which of the following is the best interpretation of the number 12 in the expression?
Front
A) The company charges $12 per hour per landscaper.
B) A minimum of 12 landscapers will work on each job.
C) The price of every job increases by $12 every hour.
D) Each landscaper works 12 hours a day.
Answer A
Back
f(x) is another term for ?
Front
Y
Back
if (ax + 2) (bx +7) = 15x^2 + cx +14 for all values of x, and a+b = 8 what are two possible values of C
Front
A) 3 and 5
B) 6 and 35
C) 10 and 21
D) 31 and 41
Back
Without sea otters present, nevertheless, kelp forests run danger of becoming barren stretches of coastal wasteland known as urchin barrens.
Front
Question about "nevertheless" in sentence
A) No Change
B) Hence
C) However
D) Likewise
Answer: C
Back
Parallel line slopes
Front
They have the same slope
Back
if g(x) = ax^2 + 24 and g(4) = 8 what is g(-4)
SHOW WORK FOR THIS PROBLEM
Front
A) 8
B) 0
C) -1
D) -8
Answer is A
Back
A line in the xy plane passes through the origin and has a slope of 1/7. Which of the following points lies on this line?
Front
A) (0, 7)
B) (1, 7)
C) (7,7)
D) (14,2)
Answer is D
Back
Power rule II
Front
A^n^m=a(^n^m)
2^2^2=2(^3^2)=2(^3x3)=512
Back
if a =5√2 and 2a = √2x, what is the value of x
Front
Answer is 100
Back
On one hand, I couldn't wait to view painter, George Seurat's, "A Sunday Afternoon on the Island of La Grande Jatte," in its full size.
Front
Question about punctuation at "painter, George Seurat's,"
A) No Change
B) No commas - painter George Seurat's
Answer: B - No commas needed
Back
Vertex form Quadratic Equation
Front
Back
If something decreases by x%, what percent is left over?
Front
1 - x%
Back
The spaces are usually stocked with standard office equipment, such as photocopiers, printers, and fax machines.
Front
For "such as" in this sentence
A) No Change
B) equipment, such as:
C) equipment such as:
D) equipment, such as,
Answer: A
Back
Product rule
Front
A^n(a^m)=a^n+m
2^3(2^4)=2^3+4=2^7=128
Back
Quotient rule 2
Front
(B^n)^m=b^nm
Back
A food truck sells salads for $6.50 each and drinks for $2.00 each, the food truck's revenue of selling a total of 209 salads and drinks in one day was $836.50. How many salads were sold that day?
SHOW ALL WORK
Front
A) 77
B) 93
C) 99
D) 105
Answer is B
Back
The posted weight limit for a covered wooden bridge is 6,000 pounds. A delivery truck that is carrying x identical boxes each weighing 14 pounds will pass over the bridge. If the combined weight of the empty delivery truck and its driver is 4,500 pound, what is the maximum possible value for x that will keep the combined weight of the truck, driver and boxes below the bridge's posted weight limit?
SHOW ALL WORK
Front
107
Back
1 rule
Front
B^1=b
Back
If something is increases by x%, what percent is it now?
Front
1 + x%
Back
2TT Radians = how many degrees
Front
360 degrees
Back
The graph of a line in an x, y-plane has slope 2 and contains the point (1,8). The graph of a second line passes through the points (1,2), and (2,1). If the two lines intersect at the point (a,b), what is the value of a+b?
Front
Refer to notes
Answer: 3
Back
The atomic weight of an unknown element, in atomic mass units, is approximately 20% percent less than that of calcium. The atomic weight of calcium is 40 amu. Which of the following best approximates the atomic weight, in amu of the unknown element?
Front
A) 8
B) 20
C) 32
D) 48
Answer is C
Back
Negative exp
Front
B^-n=1/b^n
2^-3=1/2^3=1/8=0.125
Back
On one hand, I couldn't wait to view painter, George Seurat's, "A Sunday Afternoon on the Island of La Grande Jatte," in its full size.
Front
Question about "On one hand" in sentence
A) No Change
B) For instance
C) However
D) Similarly
Answer: For instance
Back
a^2 - b^2 = 16, if a + b = 2 then a - b = ?
Front
8
Back
If 3X - Y = 12, what is the value of 8^X / 2^Y
Front
A) 2^12
B) 4^4
C) 8^2
D) This cannot be determined
Answer is A
Back
Special Right Triangles - 30, 60, 90
Front
Back
Alma bought a laptop at a store that gave a 20% discount off its original price. The total amount she paid was p dollars including an 8% sales tax on the discounted sales price. Which of the following represents the original price in terms of p?
SHOW ALL WORK
Front
A) .88p
B) p / .88
C) (.8 * 1.08) p
D) p / (.8 *1/08)
Answer is D
Back
What is the sum of all values of m that satisfy the equation 2m^2 - 16M + 8 = 0 ?
Front
Hint - factor out the 2 and then use the quadratic formula
Answer: 8