Lesso n Ch eck
Do y o u k n o w H OW?
Find each product. Simplify, if necessary.- —3(—12) 2. g(_ g)
Find each quotient. Simplify, if necessary.- -4 8 -3 4. 10 +H)
MATHEMATICAL
Do yo u UN DERSTAND? l< 2 * PRACTICES- Vocabulary W h a t is th e r e c ip r o c a l o f —|?
- R e a s o n i n g U s e a n u m b e r l in e t o e x p la in w h y
-1 5 -3 = -5. - Reasoning D e t e r m in e h o w m a n y r e a l s q u a r e r o o ts
each num ber has. Explain your answers.
a. 49 b. 0
Pr act i ce an d Pr o b l em - So l v i n g Ex er ci ses
Practice Find each product. Simplify, if necessary.8. - 8 ( 12 ) 9. 8 ( 12 )MATHEMATICAL
PRACTICES- 7(—9)
See Problem 1.- 5 • 4.1
- -7 • 1.1 13. 10(—2.5) 14. 6 (-L ) 15.4H )
16 - 2. - 9 -IDl 7 10 1 *- (-D 2 19. (-1.2)2Simplify each expression. 4/ b See Problem 2.- V400 21. VI69 22 .— V l 6 23. -V900 24 \ / 5 6V 49
25- - \ / l 26. - V? 27- 28. ± VL96 29. ±V(T25Find each quotient. Simplify, if necessary. 4b See Problem 3.- 48-3 31. -84-14 32. -39 -(-1 3 ) 33.-21^63
- -46 - (-2) 35. -8.1 - 9 36. n~121 37. 75- (-0.3)
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w a t e r c h a n g e s b y —9 0 f t i n 3 m in. W h a t is th e a v e ra g e c h a n g e i n th e d iv e r ’s v e r t ic a l
position each minute? - Part-Time Job Y o u e a r n t h e s a m e a m o u n t e a c h w e e k a t y o u r p a r t - t im e jo b. T h e
t o t a l a m o u n t y o u e a r n i n 4 w e e k s is $ 4 6 0. H o w m u c h d o y o u e a r n p e r w e e k?
Find each quotient. Simplify, if necessary.- 20 - | 41. -5+ ( -! ) 42. 10
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4b See Problem 4.Find the value of the expression | for the given values of x and y. Write your
answer in the simplest form.- x = 45. x= —~,y- 46. x = ^-,y =^2021
43 _12^12
13 ' 1347.* = § ; y = §42 Ch ap t er 1 Fo u n d a t i o n s f o r A l g e b r a