operations with numbers
The polynomial that is twice the sum of 2x2+x - 5 and -5x2 - 2x + 3
What is -6x2 - 2x - 4?
When graphing a linear system it looks like this.
What are two intersecting lines?
Name three methods for factoring quadratic functions?
What is quadratic formula, complete the square, factor by grouping, split the middle, factor, or difference of two perfect squares.
The pattern in the graph shows the y values increasing by the same value. The function represented by this pattern is a _________ function.
What is a linear function?
The strongest correlation coefficient in this list {0.9, -0.3, 0.5, or -0.8} is.
What is 0.9?
When solving the equation 3x2 - 7x = 2(x2 - 5), Xyo wrote 3x2 - 7x = 2x2 - 10 as the first step using this property.
What is the distributive property?
The three methods to solve a linear system are these.
What are elimination, substitution and graphing?
The solutions to a quadratic function rest on this axis?
What is the x axis?
x 0 1 2 3 4 5 6
g(x) 4 -1 -4 -5 -4 -1 4
This table represent a quadratic, linear, or exponential function.
What is a quadratic function?
The heights, in inches, of 12 students are listed 61, 67, 72, 62, 65, 59, 60, 79, 60, 61, 64, 63
the median is.
What is a median of 62.5?
The sequence 4, 11, 18, 25, 32, ... is called this type of sequence and has a common difference of this.
What is an arithmetic sequence with a common difference of 7?
Bob is saving up to buy a new baseball glove. Every month he puts $10.00 into a jar. The type of function that best models the total amount of money in the jar after a given number of months is written in this form?
What is a linear function?
The line of symmetry passes through this.
Double your points by stating how the line of symmetry is written as an equation.
What is the vertex point?
What is writing the line of symmetry as x = ?
A table of values that represent -x2 - 6x is this.
x -6 -5 -4 -3 -2 -1 0
h(x) 0 5 8 9 8 5 0
The value, v(t), of a car depreciates according to the function v(t) = p(.85)t , where p is the purchase price of the car and t is the time , in years, since the car was purchased. State the percent that the value of the car decreases by each year.
What is 15% decrease?
When multiplying an irrational number by an irrational number the result is this type of number.
What is an irrational number?
The Baseball team is running a drink stand to raise money for bleachers. A local grocery store donated cans of tea and bottles of water. Cans of tea sell for $2.50 each and bottles of water sell for $2.00 each. The club needs to raise at least $820 to cover the cost of the bleachers. The students can accept a maximum of 360 cans and bottles. Write a system of inequalities that can be used to represent this situation.
Double your points by stating the minimum number of cans and bottles the team needs to sell.
What is a possible situation for c + b = 360 and $2.50c + $2.00b = $820.
Cans 200 bottles 160
The expression -4.9t2+ 50t + 2 represents the height, in meters, of a toy rocket t seconds after launch. The initial height of the rocket in meters is this and the maximum height to the nearest tenth is this.
What is an initial height of 0 and a maximum height of 129.6
The vertex point of the quadratic function x2 + x - 6 is.
What is the vertex point of (-.5, -6.25)?
The growth of a certain bacteria can be modeled by c(t) = 10(1.029)24t , where c(t) is the total number of cells after t hours. The function approximately equivalent to c(t) is which one of these
c(t) = 240(.083)24t c(t) = 10(1.986)t
c(t) = 10(.083)t c(t) = 240(1.986)t/24
What is c(t) = 10(1.986)t ?
The graphs of y = 3x - 4 and y = x2 - 3 have these two solutions or intersections.
What are the solutions of 2.61 and .38?
The club sells 144 cans of Tea. The least number of bottles of water that must be sold to cover the cost of the bleachers is this number of bottles.
What is 230 bottles?
The quadratic x2 - 8x = 10 written as a complete square looks like this.
What is (x - 4)2 - 26 = 0?
if f(x) = x2 and g(x) = x, determine the value(s) of x that satisfy the equation f(x) = g(x).
What are 1 and 0?
The heights, in feet, of former New York Knicks baseball players are listed 6.4, 6.9, 6.3, 6.2, 6.3, 6.0, 6.1, 6.3, 6.8, 6.2, 6.5, 7.1, 6.4, 6.3, 6.5, 6.4, 7.0, 6.4, 6.3, 6.2, 6.3, 7.0, 6.4, 6.5, 6.5, 6.5, 6.0, 6.2 create a frequency table.
Answers will vary