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The expression 3y2 + 4y - 10y is equivalent to -3y2 -6y None of the above 6y2 3y 20t - 15t + (12t ÷ 12t) is the same as 5t + 1 6t 5t 8t + 1 None of the above (4g)( 5g) + (30g ÷ 10g) is equivalent to 20g2+3g 20g+3 20g2+3 None of the above 23g What is (4x2 + 3x) + (-3x)(10x) ÷ 15x equal to? 4x2 + 2x 4x2 - 2x None of the above 4x2 - x 4x2 + x Simplify the expression -(a ÷ 3) - 5 + 8a. Use a = 6 -41 41 None of the above -55 55 Simplify the expression 5c - (105 ÷ d). Use c = 12, d = 15 -53 None of the above 55 57 53 Simplify the expression (15e + 15f) ÷ (5e - 5f). Use e = 8, f =9 -53 -51 51 None of the above -49 I currently got 5 pens on my hand. Earlier, I gave two- thirds of it to my classmates , and gave one-half of the remainder to my teacher. How many pens did I originally have? 28 24 30 None of the above 32 (Hint: Separate the letters by a comma and no spaces) Simplify the following expressions and place them on the correct column. Write the letters of your choice in the box 2x - 3 C. 2x - 5 - 2x + 3 A. 2(3x - 5) - 2(2x - 1) B. x + 5 - 3(x + 1) 4 - 2x F. -2x - 5 + 3x + 4 -(x - 3) E. -3(x - 2) + 3x - 4 D. 5x - 2 - 3x - 1 2 What are the steps in simplifying the expression (3 - 4) - (3 - 5) + 8 ÷ 4 × 2 5 - (7 - 4) + 6 ÷ 2 × 3 2 2 Given a = 2 b = - 3 and c = - 2 Find the value of the following expressions -50 c(b - a)a ? 12 3a - 2b ? 0 3a + 2b ? 9 ba ? -8 ab - bc - ac ? |