Topic 1. 1. Simpify: -4(1-3n) – (n+5) = 5(2-7n) 19/46 2. Evaluate: -2x 2 + 4y 2 –x, when x =-2 and y = 1 -2 3. What is the quotient of -45 and -9 5 Warm.

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Presentation transcript:

Topic 1

1. Simpify: -4(1-3n) – (n+5) = 5(2-7n) 19/46 2. Evaluate: -2x 2 + 4y 2 –x, when x =-2 and y = What is the quotient of -45 and -9 5 Warm Up 4. Solve for a. a x 2 -7a= x Solve and Graph: -1/4 x +6 > 3 012

Give the reciprocal of the following numbers: A. ) 5/3 B. ) 6 C. ) -7/3 D. ) -4 1/6 1. 3/5 1/6 -3/7 -6/25

Give the opposite of each of the following numbers: A. ) 5/3 B. ) 6 C. ) -7/3 D. ) -4 1/ /3 -6 7/3 4 1/6

Use the distributive property to remove the parentheses from each expression: A. ) 3(c+3) B. ) 5(6y-7) C. ) -2x(4-5x) D. ) (5x - 7)(4) 3. E. ) x(y+8) F. ) -4(3a+9) 3c+9 30y-35 -8x+10x 2 20x -28 xy+8x -12a-36

4A.) What is the product of -5 and 2? 4B.) What is the sum of 3 and 4 ½ ? 4C.) What is the quotient of 12 and -4? 4D.) What is the quotient of -4 and 12? 4E.) What is the difference of -9 and 5? 4F.) What is the difference of 5 and -9? / /

Evaluate: A. ) –x 2 –x +9 when x = -4 B. ) 3a 2 + (b-a) when a = 5 and b=-2 C. ) (6-8n)÷n 3 when n = -1 D. ) 10y-6c 2 when y = ½ and c =

Sketch a number line graph of each of the following inequalities A. ) –5 < x < 10 B. ) x > 7 or x ≤

Solve for the specific variable. A. ) Solve for . C =  d B. ) Solve for k. 3n+6k=18 C. ) Solve for b 1. A= ½ h(b 1 +b 2 ) D. ) Solve for c. d = 6(2c-x) 7. E. ) Solve for a. ax + ay = w F. ) Solve for x. b 2 x-4x= 2 G. ) Solve for P. F= pr 2 +pt H. ) Solve for m. K=3/4(b+m)

Solve for the variable in each of the following equations A. ) 7(x-2)+4=23 B. ) 4x-(2x-4)=3x + 6 C. ) 2/3n+1/5n = 26 D. ) 2(-4-3y)-(2y-1)=5(3-6y) 8. x = 33/7 x = -2 n = 30 y = 1

Solve for the variable in each of the following inequalities A. ) 8c-6<18 B. ) -4y+2(y-4)≥12 C. ) 10n+16>5n-6 D. ) –y-(4y+6)≤-(y+6) 9. E. ) 5+(2-x)>2(4x-8) F. ) -1/3 y + 6 ≤ -7 c <3 y≤ -10 n > -22/5 y≥0 x< 23/9 y ≥ 39

Solve for x in each of the following absolute value equations A. ) |6x + 4| = 20 B. ) |1/3 x -6| = 7 C. ) 3|-4x+5| = 75 D. ) 5|2x-4|-3= E. ) 5-8|x-5|=-11 F. ) 4+3|x-2|=19 x =16/6, x = -4 x=39, x = -3 x =-5, x =15/2 x =7/2, x =1/2 x = 7, x =3 X = 7, x =-3

Solve for x in each of the following absolute value inequalities A. ) |2x + 4| ≤ 20 B. ) |3 -x| >2 C. ) 3|-4x-8| < 12 D. ) 4|3+x|-5 ≥ E. ) F. ) |x+4| 7 ≥ 2 |x-5| 3 < 6 G. ) |4x+3| 2 ≤4 H. ) |5x-5| 3 >8

Graph these please… A. ) 20< 2x+ 6< 50 B. ) 200> -4x- 8>