Algebra 1 Midterm Review

Front

Evaluate the expression: 3xz - z; use x=6, and z=2

Back

34

Front

Solve the system of equations: 2x - 3y = -1 and y = x - 1

Back

(4,3)

Front

Using the line of best fit, predict the height of a tree 30 years after it was planted based on the given data.

Back

37 feet

Front

Evaluate the expression: 12x ÷ 4y; if x = -8 and y = 3

Back

-72

Front

Using the line of best fit, predict a student's height if they wear a size 7 shoe based on the given data.

Back

59 inches

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

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 does the term 'line of best fit' refer to in statistics?

Back

A straight line that best represents the data on a scatter plot.

Front

What is the process of solving a system of equations graphically?

Back

Plot both equations on the same graph and identify the point of intersection.

Front

Define 'expression' in algebra.

Back

A combination of numbers, variables, and operators without an equality sign.