Formulas
What is the formula for slope?
y2-y1/x2-x1
What is the shape of a quadratic function?
A parabola
What does m stand for in y=mx+b?
slope
What is the domain of a function?
The set of all possible x-values
How do you simplify (y3)4?
y12
What is slope intercept form of an equation?
y=mx+b
Where are the zeros/roots located on a quadratic function?
Everywhere the parabola crosses the x-axis.
What does b stand for in y=mx+b?
y-intercept
What is the range of a function?
The set of all possible y-values
How do you simplify b6/b2?
b4
What is point-slope form of an equation?
(y-y1)=m(x-x1)
Using vertex form of a quadratic equation,
f(x)=a(x-h)2+k, what does (h, k) represent?
(h, k) is the vertex of the parabola.
What does the P stand for in the exponential function y=P(1±r)x?
Initial value
What is the domain of y=x2?
How do you simplify (x5)(x7)?
x12
What is the standard form of a quadratic equation?
f(x)=ax2+bx+c
Using vertex form of a quadratic equation,
f(x)=a(x-h)2+k, what does x=h represent?
The line of symmetry.
What does the r stand for in the exponential function y=P(1±r)x?
Rate (percent)
What is the range of y=x2?
y≥0
How do you simplify (x8y3)/(xy3)
x7
What is the formula for vertex form of a quadratic equation?
f(x)=a(x-h)2+k
What is the positive solution to y=.5(x-1)2-2?
3
What does the x stand for in the exponential function y=P(1±r)x?
Time
What are the domain and range of f(x)=5
Domain: All real numbers
Range: {5}
How do you simplify 5-2?
1/52