Linear Functions
What is the slope of
y= 2x + 3 ?
2
Is y > 2x +1 solid or dashed
Dashed
What is the vertex of y= (x - 2)^2 +3 ?
(2,3)
What is the base in y=3(2)^x ?
2
Find the midpoint between (2,4) and (6,8).
(4,6)
What is the intercept of
y= -x + 4?
4
all values that make an inequality true
What shape is a quadratic graph?
A parabola
What does ''exponent'' mean?
Shows how many times the base is multiplied by itself
Find the distance between (1,2) and (4,6).
5
Define ''domain.''
All possible x-values of a function
Graph y < -x +3
Dashed line, shade below
What is the discriminant formula?
b2 - 4ac
What is exponential growth?
When value increases rapidly over time
What is slope?
rise over run, or change in y over change in x
Define ''range.''
All possible y-values of a function
What is a ''boundary line.''?
A line that divides the graph into solution and non- solution areas
What does a negative discriminant mean?
no real solutions
What is an asymptote?
A line the graph approaches but never touches
What is a coordinate plane?
A grid formed by the x-axis and y-axis
Write an equation for a line with slope 3 and y-intercept -2
y= 3x -2
Explain how to find a feasible region .
Find where shaded areas overlap for all inequalities
Solve :
x^2 + 4x + 4 =0
x= -2
Give a real-world example of exponential decay
Radioactive decay or cooling temperature
How do you find the areas of a triangle using coordinates?
By using the formula: 1/2 x base x height