(3.1)
Identify the variable, coefficient, and constant. 5x + 12
Variable = x Coefficient = 5 Constant = 12
Write the expression using exponents. 7 * g * g * g
7g3
Write the phrase as an expression. The sum of 123 and 456.
123 + 456
Identify the variable, coefficient, and constant. y + 13
Variable = y Coefficient = 1 Constant = 13
Evaluate the expression when x=100, y=37, and z = 19
x - y + z
82
Write the phrase as an expression. The quotient of 33 and w.
33 รท w
Identify the variables, coefficients, and constants. 2x + 5 + 13y + 3
Variables = x and y Coefficients = 2 and 13 Constants = 5 and 3
Evaluate the expression when a=5 and b=3
10a - 5b
35
Write the phrase as an expression. 17 subtracted from k.
k - 17
Identify the variables, coefficients, and constants. 8m + 6a + 2t + 5h + 3i + s + 9f + 7u + 13n
Variables = m, a, t, h, i, s, f, u, n Coefficients = 8, 6, 2, 5, 3, 1, 9, 7, 13 Constants = None
You earn $15 for mowing x lawns. How much money do you earn after mowing 1 lawn, 5 lawns, and 17 lawns?
1 lawn = $15
5 lawns = $75
17 lawns = $255
Write the phrase as an expression. 6 more than the product of 8 and a number x.
8x + 6
3.2(d + 17)
3.2d + 54.4
Identify the variables, coefficients, and constants. 1/2(d) + 3/4 + 5e + 7f + 2/3 + g
Variables = d, e, f, and g Coefficients = 1/2, 5, 7, and 1 Constants = 3/4 and 2/3
Mr. Fort is taking the 6th grade class to see the new Star Wars movie. It costs $11 for an adult ticket and $6 for a student. How much will the total price be if there are 39 students and 3 adults going?
$11a + $6s = $11(3) + $6(39) Answer = $267
The sides of a square each have a length of 13x. Write an expression to determine the perimeter of the square.
4(13x) = 52x or 13x + 13x + 13x + 13x = 52x
1/4(x-4) + 4x
4 1/4x-1