Algebra 1 Warm Ups 1/22

1/22 At what point do the lines represented by the following equations intersect? 2. Which of the following functions is non-linear? 3. A rectangular yard has a length of 3 and a width of ________. Is the perimeter rational or irrational? Explain your answer.

1/23 Which of the following choices represent functions? d. 2.Two companies offer cell phone plans. The monthly fee for Company A is $50 plus 5 cents per text message. Company B charges a monthly fee of $40 and 7 cents per text message. Write two equations that model the total cost per month for each Company. 3. The parent function of a graph is _________. Write an equation that represents the same function reflected over the x-axis and shifted right 2. x y 5 1 2

1/24 The domain of the following function is {0, 5, 10, 15}. What is the range? {0, 50, 100, 150} {0, ½, 1, 1.5} 0 < y < 150 0 < x < 1.4 2. Identify each function as linear, quadratic, exponential, or none of the above. Explain your answer for each. Function 1: Function 2: Function 3: x y 1 3 2 12 27 4 48 x y 1 2 3 4 8

1/25 Which of the following is NOT true about the quadratic function shown? The graph is increasing from -2<x<∞. The graph has a maximum at (2, 1). The y-intercept is at y = 5. The graph is decreasing from -∞<x<-2. 2. Evaluate the following: f(5) f(1) 3. The expression s^2 is used to calculate the area of a square, where s is the side length of the square. What does the expression (4x)^2 represent?

Complete Quiz #10 Corrections After Quiz #11... Complete Quiz #10 Corrections