Which expression is equivalent to (2r² + r  1)  (3r² + 4r  5) ?
A.) r²  3r + 4
B.) r² + 5r  6
C.) 5r²  3r + 4
D.) 5r² + 5r  6
A.) r²  3r + 4
B.) r² + 5r  6
C.) 5r²  3r + 4
D.) 5r² + 5r  6
Algebra House 

Which expression is equivalent to (2r² + r  1)  (3r² + 4r  5) ?
A.) r²  3r + 4 B.) r² + 5r  6 C.) 5r²  3r + 4 D.) 5r² + 5r  6 The gravitational potential energy of an object is given by the formula P = mgh.
Which equation is correctly solved for the height, h? A.) h = P + mg B.) h = P  mg C.) P h =  mg D.) h = Pmg
The graph of a quadratic function f(x) has a minimum at (2,3) and passes through the point (2,13). The function g(x) is represented by the equation g(x) = (x + 2)(x  3).
How much greater is the yintercept of g(x) than f(x)?
The graph of a quadratic function intersects the xaxis at 3 and 5.
What is a possible equation for f(x) ?
In a basketball game, Marlene made 16 field goals. Each of the field goals were worth either 2 points or 3 points, and Marlene scored a total of 39 points from field goals.
Let x represent the number of 2point field goals and y represent the number of 3 point field goals. Write a system of equations, in terms of x and y, to model the situation.
Which expression is equivalent to (2x² + 3)(x + 4) ?
A.) 2x³ + 12 B.) 2x² + 11x + 12 C.) 2x³ + 6x² + 4x + 12 D.) 2x³ + 8x² + 3x + 12
The figure shows the graphs of the functions y = f(x) and y = g(x). The four indicated points all have integer coefficients.
If g(x) = k(f(x), what is the value of k?
What factorization can be used to reveal the zeros of f(x) = 12x²  11x + 15 ?
A.) f(x) = x(12x + 11) + 15 B.) f(x) = (4x + 3)(3x + 5) C.) f(x) = (4x + 3)(3x + 5) D.) f(x) = (4x + 3)(3x + 5)
To start her collection of comic books, Joylin's uncle gives Joylin a box of comic books and several monthly subscriptions to comic books. The number of comic books in her collection, y, after x months is modeled by the equation shown.
y = 40 + 6x What does the number 40 represent in this equation? A.) the price of a comic book subscription B.) the number of months of Joylin's subscriptions C.) the number of comic books in the box she received D.) the number of title subscriptions Joylin received each month 
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