True or False
The optimal value is the value of the y co-ordinate of the vertex
What is true
100
What does SOH CAH TOA stand for?
What is
SOH: Sin=oppositeXhypotenuse
CAH: Cos= adjacentXhypotenuse
TOA: Tan= oppositeXadjacent
100
What is the percentage of drawing a heart in a deck of cards?
What is 25%
100
What does 'annually' mean?
What is once a year
100
From the time your bill arrivesm companies offer a (??) day grace period before they charge interest.
What is 21 day
200
What is the original step pattern?
What is 1,3,5
200
Find the angle to the nearest degree.
Sin A= 0.4582
What is 27.27
200
What is the fraction and percentage of drawing a heart, diamond, or ace?
What is 28/52=53%
200
WHat does 'bi-weekly' mean?
What is 26 times per year (every 2 weeks)
200
what are 2 disadvantages of credit cards?
What is bad credit if used poorly.
compound high interest rates.
security theft.
gain a lot of dept easily.
more than what you bought (interest)
300
What is the vertex?
y= -2(x-10)²+100
What is (10,100)
300
A wheelchair ramp in 12m long and has a rise of 2m. Calculate the angle opening (elevation) of the ramp.
What is 10°
300
It is expected that 1 out of 4 people will be infected with the H1N1 flu this fall. Of those that become infected 30% will need medical attention. What is the probability that a person will not become infected with the H1N1 flu?
What is P= 3/4= 75%
300
What do these mean?
A=
P=
i=
n=
What is
A= amount of money accuminated (for future value)
P= principle amount (the initial value)
i= interest rate per compounding period
n= number of compounding periods
300
What are 4 advantages of credit cards?
What is build good credit rating.
don't have to carry cash.
buy now, pay later.
rewards + incentives (air miles, cash back)
400
What is the direction of opening?
y= 2(x-5)(x+9)
What is up
400
The angle of elevation to the top of the tree is 8° when you are approximately 20m from the tree. Determine the height of the tree.
What is 2.8m
400
Determine the probability in a family of 3 children, having 2 boys and a girl; not necessarily in that order.
What is P= 3/8=0.38=38%
400
Calculate the amount of interest. $500 investment, invested at 3% compounded quarterly for three years.
What is $446.9
400
Suppose you buy a $545 bike (plus tax) using your credit card on March 2nd. No other purchases are made using your credit card. If you receive your credit card bill on March 15th, what will be the due date on the bill?
What is April 5th
500
What is the zero's, direction of opening, axis of symmetry, and step pattern?
y=-(x+2)(x+6)
What is
Zero's: (-6,-2)
Direction of opening: down
Axis of symmetry: 6
Step pattern: -1,-3,-5
500
A sailboat is approaching a cliff. The angle of depression from the top of the cliff to the sailboat is 35°. The height of the cliff in known to be about 2000m. How far is the sailboat away from the base of the cliff?
What is 2856m
500
In a family of 3 children, determine the probability that the 3 children would be girls.
What is 1/8=0.125=12.5%
500
Peter borrowed $5000 to buy a used car. The interest rate on the loan was 5.45% per year, compounded mouthy. He plans to repay the loan in four years. How much must Peter repay?
What is $6214.87
500
A credit card offers 2% cash back on all purchases. Over time, how much would you need to spend to get $50 cash back?