Here are 4 equations and 4 sketches of the graphs of quadratic functions. Use them to answer the questions on the next page: a) Match the equation with the graph and explain your decision.
Equation A matches Graph #_, because…

Equation B matches Graph #_, because…

Equation C matches Graph #_, because…

Equation D matches Graph #_, because…

b) Write the coordinates for each of the points and explain how you know.
The point, P, is located at (__, __) because…

The point, Q, is located at (__, __) because…

The point, R, is located at (__, __) because…

The point, S, is located at (__, __) because…

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression