Quadratic - Vertex and axis of symmetry
The vertex of the following quadratic
y=x2
What is (0,0) ?
The quadratic functions f(x)= 2x2-5x -2 opens ....
upwards
The zeros of y=(x-2)(x+4) are ....
2, -4
y= 10 (2)x is an exponential growth with a common ratio of .....
What is 2?
y= 5 (1/3)x is an exponential decay with a common ratio of .....
What is 1/3 ?
The vertex of y = -x2 is (0,0) and it is a .....
What is a max?
The standard form of a quadratic is f(x)= 3x2 +6x -4. The axis of symmetry is ....
What is x=-1?
The x-intercepts of f(x)=3(x+5)(x-1) are .....
(-5,0) (1,0)
y= 10 (2)x is an exponential growth with a initial value of .....
What is 10?
y= 5 (1/3)x is an exponential decay with a y-intercept of .....
What is 5 ?
The vertex of y=3x2 -2x + 5 is a ....
What is a min?
The zeros of f(x)=x2 +4x +4 .....
What is -2?
The solutions of (x-7)(3x-5)=0 are ....
7 and 5/3
The population of a city is 15,400 people and it doubles every year. A function that relates the population y to the number of years x will be...
What is y = 15,400 (2)x ?
A city is 15,400 people and it loses 20% of its population every year. A function that relates the population y to the number of years x will be...
What is y = 15,400 (0.8)x ?
The axis of symmetry of y = 2(x+1)2 + 5 is ...
What is x=-1?
The solutions of f(x)= x2 -5x -14 are....
What is {7,-2}?
The factored form of x2-6x -27 is ....
What is (x-9)(x+3)
A city has a population of 103,500 people and it increases by 30% every year. A function that relates the population y to the number of years x will be...
What is y = 103,500 (1.3)x ?
Bob bought a car for $12,000 and its value depreciates by 14% every year. A function that represents the value of the car y over a number of years x would be ...
What is y = 12,000 (0.86)x ?
The vertex of y=3(x-4)2 - 2 is ....
What is (4,-2)?
The highest point of f(x)= -x2 -6x -27 is ...
What is (-3, -18)?
The factored form of x2-16x +64 is .....
What is (x-8)2?
George has invested $10,000 with an interest rate that doubles his money every 5 years? A function that relates the amount of money y to the number of years x would be ....
What is y = 10,000 (2)x/5 ?
You start with eight million atoms of a parent isotope (P), write a function of the P isotopes you will have after decay of P to D (daughter isotopes) in one half-life of 1000 yrs?
What is P = 8,000,000 (1/2)x/1000