Algebra: Fun Review

Front

What does the inequality 10 < 3x + 19 imply about the value of x?

Back

x > -3

Front

Is the point (2,3) a solution for the system of equations y=3x and y=7x-8?

Back

No

Front

What is the purpose of a line of best fit in a scatter plot?

Back

To represent the trend of the data points and make predictions.

Front

Solve the system of equations: -4x + 9y = 9 and x - 3y = -6. What is the solution (x,y)?

Back

(9,5)

Front

What two integers is the number 13.5 between?

Back

13 and 14

Front

What is an inequality?

Back

A mathematical statement that compares two expressions, showing if one is less than, greater than, or equal to the other.

Front

How do you solve a system of equations graphically?

Back

By plotting both equations on the same graph and identifying the point(s) where they intersect.

Front

What does it mean for a point to be a solution to a system of equations?

Back

It means that the point satisfies all equations in the system.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

What is the significance of the y-intercept in a linear equation?

Back

It is the point where the line crosses the y-axis.