Understanding Variables and Expressions

Is the expression "2x + y - 2" an equation or an expression?

• Equation

• Expression

• Both

• Neither

What is the coefficient of b in the equation 6a + 3b - 4 = 2ab - c + 7?

• 6

• 3

• 2

• 7

Which of the following is an equation?

• 3c + 2i - z

• 1 + x = 3

• 7j - 3

• 5h - 9s + 8x

Identify the variables in the equation 6a + 3b - 4 = 2ab - c + 7.

• a, b, c

• 6, 3, 4

• 2, 7

• a, b, c, d

What is the constant term in the expression 7j - 3?

• 7

• 3

• -3

• 0

Which of the following is an expression?

• w = 12x - 1

• 9c - 3j + 19k = 2s - 8d + 3

• 7j - 3

• 1 + x = 3

In the equation 6a + 3b - 4 = 2ab - c + 7, what is the term on the right side of the equation?

• 6a + 3b - 4

• 2ab - c + 7

• 3b - 4

• 6a

What is the coefficient of a in the equation 6a + 3b - 4 = 2ab - c + 7?

• 6

• 3

• 2

• 7

Which of the following is not a variable in the equation 6a + 3b - 4 = 2ab - c + 7?

• a

• b

• c

• d

What is the constant term in the equation 6a + 3b - 4 = 2ab - c + 7?

• 6

• 3

• -4

• 7