Given the graph (document camera #29) what are the x and y intercepts?
What is
x-intercepts: (-4,0) and (-2,0)
y intercept: (0,8)
100
Solve the equation:
5x^2+50=175
What is 5 and -5
100
3(2.14)^X
a. state the y intercept
b. state whether it is exponential decay or growth
a. y intercept is 3
b. it is exponential growth
200
See the document camera #6
What is
y>1/2x+1
y≤-1/2x+3
200
Solve by elimination:
x+2y=4
-x+3y=11
What is (-2,3)
200
Given the graph (document camera #29) what is the vertex and axis of symmetry?
What is
vertex: (-3,-1)
axis: x=-3
200
Solve the equation:
(2x+7)(x+9)=0
What is -7/2 and -9
200
See document camera #'s 23a and 23c
What is
a. x^(2/3)*y^(1/5)
b. x^(3/8)*y^(1/9)
300
See document camera #7
What is
y≤-2/3X+3
y<x-2
300
Solve by substitution:
y=-2x+1
7x+5y=-1
What is (2,-3)
300
Given the graph (document camera #29) what is the equation of the graph?
What is y=x^2+6x+8
300
Solve by factoring:
x^2-2x-48=0
What is 8 and -6
300
Explain why √a=a^(1/2)
√a=(a^1)^(1/2)=a^(1*(1/2))=a^(1/2)
400
Solve the system by graphing:
y=2x-4
y=-x-1
What is (1,-2)
400
Joe went to the store to buy clothes. He bought 6 shirts and 2 pairs of pants for $120. His friend Jason bought 3 shirts and returned 4 pairs of pants and was $25. How much did each shirt and pair of pants cost?
Shirts: $17.67
Pants: $7
400
Find the vertex of the following equation: y=x^2+4x-10 (hint: try completing the square)