Semester 1 Test 8th grade 2024

Front

What is the y-intercept of the line of best fit?

Back

The y-intercept is the point where the line crosses the y-axis. For the given data, it is (0, 40).

Front

Solve the equation: -3x + 5 = -16

Back

x = 7

Front

Solve the equation: 5x = 25

Back

x = 5

Front

Round 23.542 to the nearest tenth.

Back

23.5

Front

Simplify the expression: 6x + 1 + 7x

Back

13x + 1

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed. It has the form y = mx + b.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value in mathematical expressions and equations.

Front

What is the process of rounding numbers?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a factor across a sum.