Real Numbers
What sets and subsets is 5.325325325 included in for our Real Numbers System?
Rational, Real
What is 1,500,000 in Scientific Notation?
1.5x106
2x-5=3x+4
-9
What is the y-intercept of the following equation:
y=5x+16
16
My dog Amayo is 10 years old and he eats 2 cups of food a day. He also gets one treat today that cost $5. My dog Primrose also eats 3 cups of food a day and gets a treat that costs $3. I spent the same for both dogs. What is the cost of the food per cup?
$2
What set and subset is zero included in for our Real Number System?
Whole, integer, rational, and real.
What is 0.0005 written in Scientific Notation?
5x10-4
3(4x-2)=5x+3
9/7
What does m represent?
Slope
A swimming pool containing 5,000 gallons of water drains at a rate of 12 gallons per minute.
What is the slope?
m=12
What is the order (greatest to least) for the following numbers?
-4/6, -4/12, -1%, -4/5
Greatest to Least:
-1%, -4/5, -4/6, -4/12,
What is 4,000,500,000 written in Scientific Notation?
4.0005x109
What number represents the slope in the equation:
y=-5+4
And, is it positive or negative?
-5, it is a negative slope.
How would you write the linear equation for a graph with a slope of 5 and a y-intercept of 7?
y=5x+7
Upon getting in a cab, the meter reads $3.30. The fare increases $2.40 per mile during the trip. Write a linear equation to express this information.
y=2.4x+3.3
Which of the following is not a perfect square root?
Square root of 169, square root of 16, square root of 24, square root of 81.
The square root of 21.
Darla purchased books for the entire class in her elementary school and it cost her $1,050. How would this number be written in Scientific Notation?
1.05x103
2x+4x-3+5=4(2x-4)
9
What is the y-intercept and the slope of the following points?
y=-1.5x+4
Write it as m= and b=.
m = -1.5
b = 4
Camie and Jorge each begin saving money for a new computer. Camie saves $5 per week plus $50 she receives for her birthday. Jorge saves $7 per week. What equation can be used to find w, the number of weeks until Jorge has saved at least the same amount as Camie?
7w ≥ 5w + 50
Which number is between 1 and 2?
55%, 1.5, Pi, -1.5
1.5
A scientist is studying the complexity of cells and determines that a single cell contains approximately 1x1014 atoms. How would this number be written in Standard Notation?
100,000,000,000,000
Ms. Juarez purchased a children's book subscription for her daughter. There was a $40 sign up fee and each month she pays an $15 subscription fee.
Ms. Lee purchased a children's craft subscription for her daughter. There was a $50 sign up fee and each month she pays an $5 subscription fee.
How many months will both parents need to subscribe in order to spend the same amount?
One month.
What is the slope and y-intercept of the following equation?
t=5c-19
m=5
b=19
A local theater group sells individual tickets to performances for $10 each. There are 25 season ticket holders who pay for the performances in advance. Which equation represents the amount of money, M, brought in during one month through the sale of individual tickets?
M = 10t + 250