Slope Intercept Form
What is the slope intercept formula?
y = mx + b
If the symbol in the equation is > should you shade above or below the line?
Above
What is the shape of a graph for an exponential function?
What is the standard form for a quadratic equation?
f(x) = ax2 + bx + C
Is y = ax + 2 linear?
No, it has multiple variables.
Is y = 2x2 + 4 linear?
No
A straight line means the points on the line are ____ in the solution.
included
What is the equation of an exponential function?
f(x) = abx
Is -4(x) reflected across the x or y-axis?
What is the y-intercept?
What is 9 = 6x + 3 in slope intercept form?
y = -2x + 3
Is the line dotted or straight if the symbol is ≥?
straight
How many points should you put in your table?
4-5 positive, negative, zero
Find the y-int of y = 3x2 + 18x - 21
(0, -21)
What is the shape of a quadratic function graph?
Parabola
What is 2y + 6x = 9 in slope intercept form?
y = -3x + 9/2
What is 2x + y > 2 in slope intercept form?
y > -2x + 2
1/49
Find the vertex of y = -3x2 + 6x - 18
(-1, -15)
Would -8(x) be reflected across the y or x axis?
x-axis
What is the x-intercept of y = 2x + 3?
(-3/2, 0)
How would you graph the line y > 6x + 2?
1. Plot the y-int (0, 2)
2. Use the slope to create a line (dotted because the symbol is >)
3. Shade above the line
What is the y-int of y = 9x?
1
Transformations of: f(x) = -4(x +3)2
Translated 3 units to the left, stretched vertically, reflected across the x-axis
What is the purpose of a graph?
To show the relationship between two variables; present data in a more concise way