Simplifying Algebraic Expressions
Simplify 2x+5+4x-2
What is 6x+3?
Being x=-2, evaluate 2x - 3
-9
Translate to an algebraic expression: The sum of three-fourths of w, one-half of y, and 3
ON THE BOARD
Express "three more than five times a number" as an expression.
What is "3 + 5x"?
Simplify 4b - 4 + 3c - 6b +8
What is -2b +3c +4?
Being x=3, evaluate -12x + 6
-30
Translate to an algebraic expression: One-half of the sum of x and 2 minus the product of 3 and c
ON THE BOARD
If 6 tablespoons = 1 fluid ounce, how many fluid ounces are there in (12t - 6) tablespoons?
What is 66?
Simplify 3.5m +6.7z - 12.2m + (-4z)
What is -8.7m + 2.7z ?
Evaluate 2b/3 + 3b for b=6.
What is 22?
Being x=-4, evaluate -x + 6x
-20
Write an algebraic expression with three different variables, two negative coefficients, one positive coefficient, and a negative constant.
PERSONAL ANSWERS!
The length of a picture frame is (2x + 3) inches long. The width of the frame is 2/3 the length. Write an expression for the width.
What is 2/3 (2x + 3) or (4/3 x + 2)?
Simplify 1/2 d - 8/3 + 5/6 d - 1/2
What is 1 1/3 d - 3 1/6 ?
Being x=-3, evaluate x² + 6
15
Translate to an algebraic expression: The sum of two-thirds of b and three-fourths of h, minus 6
ON THE BOARD
A triangle has one side that measures (4x + 4), another side that measures (3x - 6) and a third side that measures (2x + 12) Write the perimeter of the figure as a simplified expression.
What is 9x + 10?
2/3 x + 4/5 y - 17 + 3/5 x - 21/5 y + 9
What is 19/15 x - 17/5y - 8 ?
Evaluate 4x²/y + 7xy/x or x= 4 and y=(-2)
-46
Being x=-1, evaluate x10 + 5
6
x/5 - 2x + (-14)
ON THE BOARD
A rectangle has a length measurement of (4x - 2) and a width measurement of (2x + 8). Find the perimeter of the rectangle.
What is 12x + 12?