Write an equation that passes through (3,1) and and perpendicular to y = -3x +2
What is y = 1/3x
100
If f(x) = x^2 - 3x + 5, what is the value of f(-2)?
What is f(-2) = 15
100
Solve the system of equations. 3x + y = -14 4x + 3y = -22
What is (-4, -2).
100
Solve. 2x^2 - 4x - 30 = 0
What is {5, -3}.
200
-23 < 5x + 2 < 17
What is - 5 < x < 3
200
Write an equation that passes through (-4,2) and and parallel to y = 1/2x +5
What is y = 1/2x +4
200
Describe the transformation of the equation y = -1/2(x+2)^2-3
What is a reflection over x, shrink, left 2 units, and down 3 units
200
Solve the system:
2x - y = 7
6x - 3y = 14
What is no solution?
200
Determine whether the function has a max or min value and find that value. State the domain and range of the function.
f(x) = -x^2 +6x - 15
max at -6. D: all reals R: f(x) < -6
300
k + 6 < -4 or 3k > 14
What is k<-10 or k > 14/3
300
Write an equation that is parallel to y = -3x +4 and has an x intercept at 4
What is y = -3x +12
300
Graph the piece wise function shown on the smartboard.
Answer shown
300
At a store, toothbrushes cost x dollars and and bars of soap cost y dollars. One customer bought 2 toothbrushes and 1 bar of soap for $11. Another customer bought 6 toothbrushes and 5 bars of soap for $38. Write and solve a system for x any y.
x = 4.25 and y = 2.50
300
Simplify: ( 6 +5i^2)(-3 - 2i^3)
What is -3 + 2i
400
Evaluate the expression if a=3/4, b=-8, c = -2, d=3
2ab^2 - (d^3 - c)
What is 67
400
Find the x and y intercepts of the equation:
2x + 7y = 14
What is (0.2)(7,0)
400
Identify the piecewise function shown on the smartboard.
Answer shown
400
Graph the system of inequalities shown on the smartboard.
Answer shown
400
Solve the quadratic equation 7x^2 +6x +2 = 0
What is (-3 + i*rad(5))/7 ; (-3 - i*rad(5))/7
500
The formula h = 120t - 16t^2 gives the height (h) in feet of an object (t) seconds after it has been shot. What will the height of the object be after 6 seconds?
What is 144 ft?
500
Write an equation that goes through the points (-1, -2) and (3, -7)
What is y = -5/4x - 13/4
500
A sewing company charges $40 per hour or any fraction thereof for labor. Make a table and graph to represent the situation.
Show Ms. Mahoney for correct answer.
500
a. Find the value of the discriminant
b. Describe the number and type of roots
c. Find the exact solution
12x^2 +2x - 4 = 0