Evaluating Expressions
Distributive Property
Challenge Review
Mixed Review
100
What is x + 3 / 2 when x = 2?
5/2 or 2.5
100
7(3 + 2)
7(5) =35
100
Distribute 3(2x+2x+3x+4x)
3(11x) = 33x
100
What is the slope of the points (3, 4) and (5, 6)
6-4 / (5-3) = 2/2 = 1
200
What is the answer to -1(2x - 5 + 1)
-2x+4
200
2 (4x - 25)
= 8x – 50
200
Solve the expression x^2 + x / (10x - x) when x = 2
2^2 + 2 / (10(2) - 2) 4 / 18 =2/9
200
What is the equation of a line parallel to y = 3x + 1 that passes through the points (1, 2)
slope is 3 y-2 = 3(x-1) y-2 = 3x- 3 y = 3x- 1
300
Evaluate the formula 10y + 13f + g when y = 3, f = 2, and g = 5
10(3) + 13(2) + 5 30 + 26 + 5 = 61
300
5(10x-2x)
= 40x
300
Distribute 3x(2x + 2y + 9)
= 6x^2 + 6xy + 27x
300
Find the x and y intercepts of y = 2x + 4
x intercept: 0 = 2x + 4 -4/2 = x -2 = x y intercept: y = 0 + 4 y = 4
400
Evaluate the expression 4(2x+3)^2 where x=2
4(2(2)+3)^2 4(7)^2 4(49) = 196
400
1/3 (3x + 9)
= x + 3
400
Evaluate 2x + 5x / (x*x+x-x) when x = 3
2(3) + 5(3) / (3*3+3-3) 6+15/ 9 = 21/9 = 7/3
400
Victor is baking desserts for a potluck. At least 46 servings of dessert will be required. For every batch of brownies he bakes, he will get 12 servings, and every pie will yield 8 servings. Select the inequality in standard form that describes this situation. Use the given numbers and the following variables. a. 8x+12y≤46 b. 12x+8y≥46 c. 8x+12y≥46 d. 12x+8y≤46
b. 12x+8y≥46
500
Evaluate the expression 2x + 2y – 1y + z when x = 9 and y = 2 z = 1
2x + y + z 2(9) + 2 + 1 18 + 2 + 1 = 21
500
3x(2x+4x+3x)
3x(9x) = 27x2
500
Evaluate x^2 + x / (3) when x = 3 Take your answer and distribute it to (3x + y + 4)
Part one 3^2 + 3 /(3) 12/3 = 4 Part two 4 (3x + y + 4) = 12x + 4y + 16
500
Is this equation of this line defined or undefined? x = -3
undefined
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