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EQUATIONS R US
For the Love of Calculators
Linear vs. Exponential
Mixed Madness
100
Factored form of a quadratic equation easily gives what information about the graph of the equation?
What is zeroes, roots, or x-intercepts
100
The equation y=(x-2)^2 +5 is written in what form.
What is Vertex form
100
Find the vertex of the equation y=2x^2 + 4x + 6
What is (-1,4)
100
Juan has $150 and is earning $40 each week. What type of equation is needed to model the amount of money Juan has?
What is a linear equation
100
Simplify the expression (x^4 - 2x^2) + (2x^3 + 6x^2)
What is x^4 + 2x^3 +4x^2
200
If the factored form of an equation was y = (x+3)(x-4), what would the zeroes be on the graph?
What is -3 and 4
200
Write the equation y=(x-4)(x+2) in standard form.
What is y=x^2 -2x - 8
200
Find the roots of the equation y=3x^2 - 27
What is -3 and 3
200
Jesse made an investment of $500 and it is growing by 4% each year. What type of equation is needed to model the amount of money Jesse has.
What is an exponential equation
200
Graph the equation y=2x^3. Is this a function? Why?
What is Yes it is a function because it passes the vertical line test. (each x is assigned to exactly 1 y)
300
Factor the equation y=x^2 + 5x + 6
What is (x+3)(x+2)
300
Write the equation y = (x-2)(x+2) in standard form
What is x^2 - 4
300
Find the intersection of y=x+3 and y = -x+7
What is (2,5)
300
A population of rabbits is doubling every month. If there were 100 rabbits at the beginning of the year, how many rabbits were there 1 year later?
What is 409,600 rabbits.
300
Write an equation that represents a car that was bought for $9,000 and loses 12% of its value each year.
What is y = 9000(.88)^x
400
Factor the equation f(x) = x^2 - 8x + 12
What is f(x) = (x-6)(x-2)
400
Write the equation y=(x-4)^2 + 2
What is y=x^2 - 8x + 18
400
Solve the system of equations. f(x) = 2x - 5 g(x) = 4x
What is (-2.5,10)
400
A rabbit population was at 100 rabbits at the beginning of the year. If the population is growing by 60 rabbits each month, how many rabbits will there be at the end of the year?
What is 820 rabbits
400
The Perimeter of a rectangle can be found using the formula P=2W + 2L. Rearrange the equation to solve for W. (Get W by itself)
What is W= (P-2L)/2
500
Factor the equation y=x^2 + 9x -10 and give the roots.
What is y=(x-1)(x+10) and the roots are 1 and -10
500
Write the equation y=x^2+5x - 6 in vertex form.
What is y=(x+2.5)^2 - 12.5
500
If the amount of money Annie gets is represented by the equation y=10x+50, and Tommy's money is represented by the equation y=2^x, where x is the number of weeks. When will Annie and Tommy have the same amount of money?
What is 6.89 weeks (at $119)
500
Batman catches 8 bad guys every week. Spiderman catches 1 guy the 1st week and doubles the amount of bad guys caught every week. Who has caught more bad guys after 8 weeks?
What is Spiderman
500
Write the equation of a line that goes through the points (3,7) and (6,13).
What is y=2x+1
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