NHS Midterm Review- Unit 2

Front

What is the formula for mass in terms of density and volume?

Back

m = DV

Front

Solve for x: 7x - 4 = 3 + 8x

Back

x = -7

Front

Solve for x: 2x - 3 + 4x = 27

Back

x = 5

Front

Solve for x: 5x - 14 = 8x + 4

Back

x = -6

Front

Solve the inequality: 2(4x - 3) ≤ 10

Back

x ≤ 2

Front

What is the definition of density?

Back

Density is the mass per unit volume of a substance, typically expressed in kg/m³.

Front

What is the principle of solving linear equations?

Back

To isolate the variable on one side of the equation by performing inverse operations.

Front

What does it mean to solve an inequality?

Back

To find the range of values that satisfy the inequality condition.

Front

What is the first step in solving the equation 3x + 5 = 20?

Back

Subtract 5 from both sides to isolate the term with x.

Front

What is the solution to the equation 4x - 2 = 10?

Back

x = 3.