6 Questions
What are the exact solutions to the equation x² + 5x = −3?
−5 ± √13
What is the solution for x in the equation 25x² = 36?
x = ±√(36/25)
Which dot plot represents the set of golf scores?
B
Which data set represents the histogram?
64, 77, 94, 91, 78, 81, 99, 60, 98, 86, 72, 90, 84, 86, 79
Which box plot represents the study time data?
B
What is the minimum number of hours a student studies math per week?
2
Study Notes
Quadratic Equations
- The equation x² + 5x = -3 has solutions x = -5 ± √13.
- The equation 25x² = 36 has solutions x = ± 6/5.
Data Representation
- A dot plot represents a set of golf scores.
- A histogram represents a set of data, and the correct data set can be identified by matching the shape and range of the histogram.
Histograms and Box Plots
- A histogram is a graphical representation of a data set, showing the frequency of each range of values.
- A box plot represents a data set, showing the minimum, maximum, median, and quartiles.
- The correct box plot for a data set can be identified by matching the shape and range of the plot.
Data Analysis
- Mr. Jeffer's class studies math per week, with hours studied ranging from 2 to 7.
- The data set can be represented by a box plot, with the correct plot showing the spread and distribution of the data.
Practice your algebra skills with this set of final exam questions, covering topics such as quadratic equations, graphing, and data analysis.
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