What is the value of x in the system of equations shown below?
5x+4y=1
y=1-x
x=-3
Malik throws a ball up in the air. The graph shows the height of the ball h in meters after t seconds. At what time did the ball reach it's maximum height?
1 second
What is the value of x in the equation below?
2(x + 8) – 4x = 10x + 4
x=1
The value of a car after x years is represented by the function v(x)=22,500(0.80)^x
Evaluate v(4)
x=9216
Line p has an equation of y=3/4x-5 . Line m is perpendicular to line p. What is the slope of line m?
-4/3
What is the value of y in the system of equations shown below?
-8x+5y=43
-8x+4y=36
y=7
Simplify
(x+2)(3x-3)
3x^2+3x-6
Phillip is assigned to read a book for his English class that is 250 pages long. He reads at a rate of 30 pages per hour. If he can only read for 2 hours a day, how many days will it take him to finish the book?
5 days
The weight of a puppy was monitored for the first year of its life. The weight, in grams, of the puppy has a strong linear relationship with the number of months, x, since birth. The relationship can be modeled by the function f(x) = 1,200x + 400.
What was the puppy's birth weight?
400 grams
Name (at least) one of Ms. Long's cats
Cosmo
Jett
Pumpkin (RIP)
Angela has two cats. The larger cat weighs 1.4 pounds more than the smaller cat. The combined weight of the two cats is 15 pounds. What is the weight, in pounds, of the smaller cat?
6.8 pounds
What is the value of the negative zero of the function, f, defined by
f(x)=x^2-144
x=-12
Simplify the inequality below.
4x-3≥6x-5
x\le1
The total cost, in dollars, for a membership at Rox Fitness is given by the function c(m)=20m+40 below, where m is the number of months a person is a member. In dollars, how much is the cost of a membership for 1 year?
$280
The money in a bank account grows by 1% each year.
What type of function would best model this situation?
Exponential
Harper has a total of 50 nickels and quarters in her purse. The total value of the coins is $7.10. How many nickels are in her purse?
27 nickels
The equation y=-2x^2+6x+36 represents the height of a projectile after being launched, where y represents the height, in feet, and x represents the time, in seconds. After how many seconds will the projectile hit the ground?
6 seconds
The cost to rent a car for one day includes a flat rental fee of $45 plus a $0.15 charge for each mile the car is driven while it is rented. How much would it cost to rent the car for a day and drive 100 miles?
$60
A liquid is evaporating. The amount of liquid remaining, in liters, after x weeks is modeled by the function f(x)=100(0.47)^x . What percent of the liquid evaporates each week?
53%
Are you going to lock in this week and try your best next Wednesday morning at 8am when you take your Math 1 EOC??
!!! Y E S !!!
A group of 3 children and 2 adults pay a total of $120 to take a Jazzercise class. A group of 5 children and 1 adult take the same Jazzercise class for $95.
What is the TOTAL cost for 1 child AND 1 adult to take the Jazzercise class?
$55
A company models its net income, in thousands of dollars, with the function, 9x^2-54x-144 , is the number of products sold. How many products does the company need to sell in order for the net income to equal $0?
8 products
A line, y = mx + b, passes through the point (1, 6) and is parallel to y = 4x + 6. What is the value of b?
2
Given the function f(x)=500(1.03)^x , what is the average rate of change of the function over the interval from x = 1 to x = 2?
15.45
Elijah’s math grade is the average of his four quarterly grades. His first three quarterly grades are 92, 96, and 88. If Elijah earns a 96 in fourth quarter, how many points will his math grade increase?
1 point
(92%->93%)