Is continuous function is a function whose graph can be drawn without lifting your pen from the paper? True OR false
True
3x+5x
8x
Solve for x, 3x+6=18
x=4
What is the slope of
y=2x+3?
y=2
A number squared equals 49.What is the number?
x=±7
4x+3+2x+5
6x+8
Solve for x, 5x-7=2x+11
x=6
What is the y-intercept of
y=3x+4?
y=4
Two numbers add up to 10 and multiply to 21.What are they?
3 and 7
What is the domain?
A complete set of all input values (usually X-values)
3(2x+4)-5x
Solve for X, X2-16=0
X=4 or X=-4
Is y=2x+1 increasing or decreasing?
increasing
A rectangle has a width of x and a leght of x+2. Its are is 24. Find its dimensions.
4 by 6
2x2+5x-3x2+7x
-x2+12x
Solve for x, x2+7x+12=0
x=-3 or x=-4
What is the slope of
y=-3x+5?
y=-3
A ball's height is
h=-16t2+32t. What is its maximun height?
16 feet
What is the difference between end behavior and intercept?
End behavior describes what happens to the graph as x goes toward positive or negative infinity. Meanwhile, Intercepts is the points where the graph crosses or touches the x axis or y axis.
4(2x-3)-2(x+5)+3x
9x-22
x=0 or x=5
What is the slope of a horizontal line?
0
solve:
x2-5x+6=0.
x=2 or x=3