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Name that Function
100
Parallel Lines have the _______________ slope
A. Opposite
B. Reciprocal
C. Same
D. Opposite-Reciprocal
What is C. Parallel lines have the SAME slope
100
Perpendicular lines have ______________________ slopes.
A. Opposite
B. Reciprocal
C. Same
D. Both A and B
What is D. Perpendicular Lines have the opposite (change sign) AND reciprocal (flip) slope.
100
Where is the axis of symmetry for the function
f(x) = (x - 1)(x + 5)?
What is x= -2
**Remember, axis of symmetry is the average of your roots (1 + (-5))/2.
100
Which is the proper format for an exponential equation?
A. y- y1=m(x-x1)
B. y= a(b)x
C. y= ax2+bx+c
D. y= mx+b
What is B. y= a(b)x
100
Write the equation for the following function:
What is y= -3/4x + 7
200
How many solutions will be found between parallel lines?
What is NO SOLUTIONS.
200
What is the slope of the line perpendicular to
y= 6x + 7?
What is -1/6
200
What kind of parabola is created by the function
f(x)= -4x2+6x-7? How do know?
What is a negative parabola, because the "a" value is negative (-4).
200
What does the "a"value in the exponential equation represent?
What is the y-intercept, or starting value for the function.
200
Write an equation in standard form to represent the following function:
What is f(x)= -2x2+4x+8
300
What is the slope of the line parallel to
y - 5 = -1/3(x + 3)?
What is -1/3
300
Write the equation of the line perpendicular to
3x - 9y = 18, and passes through the point (0, -1).
What is y= 3x - 1
300
Which of the following is the correct factored form for
f(x) = x2-5x+6?
A. (x +3)(x+2)
B. (x-4)(x+2)
C. (x-5)(x-1)
D. (x-3)(x-2)
What is D. (x-3)(x-2)
**Remember, the factored form are just the zeros inside of the parentheses. Also remember, the parentheses change the sign of your roots.
300
What are the key features of the exponential function f(x)= 2(0.23)x
**Remember, rate is always 1-b**
What is y-intercept at (0,2) and decreasing (decay) at a rate of 77%.
300
Write the equation of the function shown below:
What is y= 10(0.5)x
400
Write the equation of the line parallel to 6x + 2y = 18, and passes through (0, 6).
What is y= -3x + 6
400
Write the equation of the line perpendicular to
y - 4 = -4(x + 2), and passes through the point
(12, 4).
A. y= -4x + 51
B. y= 1/4x + 1
C. y= 1/4x - 3
D. y= 4x + 2
What is B. y= 1/4x + 1
400
Which of the following is a possible factor for the quadratic function f(x)= 5x2 + 10x - 15
A. x+1
B. 3x + 3
C. 5x - 15
D. 5x - 5
What is D. 5x - 5
400
Ngozi earns $24,000 in salary in the first year she works as an interpreter. Each year, she earns a 3.5% raise.
Write a function that gives Ngozi's salary S(t), in dollars, t years after she starts to work as an interpreter.
What is S(t)= 24000(1.035)t
400
What is the equation for the following exponential function?
What is f(x)= 16(0.5)x
500
Write the equation of the line that is parallel to
y= -4x + 2, and passes through the point (8, -16)
A. y= 1/4x - 18
B. y= -4x + 16
C. y= -4x - 16
D. y= 1/4x + 18
What is B. y= -4x + 16
500
Which equation is perpendicular to 8x + 7y= 56?
A. y= -8/7x + 3
B. y - 2 = -7/8(x + 4)
C. 7x - 8y = 40
D. y - 5 = 8/7(x - 7)
What is C. 7x - 8y = 40
500
Describe the transformation of the quadratic function f(x)= x2, if f(x) becomes -f(x) + 4.
What is flip (negative parabola) and translate UP 4 units.
500
Mapiya just bought her first car. The car is worth $75,000, and depreciates in value by 6.5% each year.
Write a function that gives the price value of Mapiya's car V(n) , in dollars, after n years.
What is V(n)= 75000(0.935)n
500
What is the slope of the linear function represented below?
What is m=5