Expressions/Equations
Simplify: -(x + 7) -2(4x + y)
-9x -7 -2y
Is this a function: {(1, 2), (2, 3), (2, 4), (3,6), (-2,3)}
No
The lowest point in a quadratic?
What is the minimum?
Describe the strength and direction of the correlation coefficient: r = .8
Strong, positive correlation
When did Mrs. Dues get married?
12.31.22
Solve: 3x + 3 - 2x = 21
x = 18
The solution to the system: 4x + 2y = 8 and 3x + 3y = 9
What is (1,2)?
What form is the following quadratic expressed in: f(x)= (x+5)2 - 3
What is vertex form?
Does the function model percent increase or percent decrease? y = 500(1.25)x
How many sibling does Mrs. Dues have?
1
Solve: 8(x−1)+5=6x+5
x = 4
The function that represents my car purchase overtime is as follows: f(x) = 25000(.85)x. What is the percent it decreases every year?
What is 15%?
The maximum point is what: y=−x2+12x−20
What is 16?
What is the 95th term of the sequence? {4,8,12,16...}
What is 380?
How many years has Mrs. Dues worked at Piqua Junior High School?
4
Solve for b: A = 1/2bh
b = 2A/h
Write an explicit formula that represents the following pattern of values for the function: {8, 24, 72, 216 }
ax = 8*3x-1 ax = 8/3*3x
The function models the time it takes me to throw a pencil off when standing on my chair: h(t)=-16t2+20t+9. When does the pencil hit the ground? Round to once decimal point.
1.6 seconds
Do the following values represent linear or exponential growth? {(1,25), (2,50), (3,100), (4,200)}
What is my husbands name?
Jacob
Solve: x2+4 = -4x
x=-2
What's the domain of y=3x-2?
What is all real numbers?
What positive value of x gives both equations the same y value? y=2x+1 & y=x2+3x−11
x = 3
The sum of two numbers is 84. Their difference is 32. What are the 2 numbers?
What is the sum of her age and her birth month added together?
27