Find the y-intercept of the line:
4x-5y=-25
a. (-25/4,0)
b. (0,-5)
c. (0,5)
d. (5,0)
C. (0,5)
Solve the equation:
112=8(b+7)
a. 7
b.28
c.6
d.9
A. 7
What function family does this function belong to?
f(x)=-5^(x)
a. linear
b. quadratic
c. exponential
c. cubic
C. EXPONENTIAL
Find the next three terms in the sequence and state if it is geometric or arithmetic:
-4, -12, -36, -108
GEOMETRIC:
-324, -972, -2916
Find the slope of the line
(-1,5) , (-18,-1)
6/17
Solve for a
u=ak
a=u/k
What is domain?
Fill in the value of this sequence:
2,_,8,11,_
5,14
What is the y-interept for the equation:
8x+3y=-24
(0,-8)
What is the standard form of the equation:
y=2/3x-4
2x-3y=12
True or False:
If a line passes through an x value two times, it is a function.
False
Rewrite each explicit formula in the form of a function:
a(n)=19-7(n-1)
f(n)=?
f(n)=-7n+26
Find the slope of the line that is perpendicular to the line that passes through 2 given points.
(11,9) and (1,0)
-10/9
Solve this system with elimination:
-4x+4y=-20
7x-12y=20
x=8
y=3
Write the y-intercept of this function:
a(n)=5n-8
(0,-8)
A tree is currently 8 feet tall and grows 3 feet per year.
Write an explicit formula of the sequence in the form of a function.
f(n)=3n+5
Enter an expression in the box to write the equation of a line that passes through the point (-2,6) and is parallel to the line that passes through the points (0,-4) and (3,2)
y=2x+10
Write the explicit formula in function form:
a(n)=-3+5(n-1)
5n-8
What is the formula for a linear function?
y=mx+b
Write an explicit formula for each sequence:
10.2,2.2,-5.8,-13.8,-21.8