Algebra 1 Common Core Student Edition, Grade 8-9

Arithm etic Sequences Use the arithm etic seq u en ce 10,15, 20, 25, ... a. Find the co m m o n difference of th e sequence. b. ...

Direct Variation @ Com m on C ore State Standards A-CED.A.2 Cr eat e eq u at i o n s i n t w o o r m o r e v ar i ab l es to rep ...

To w rite a n equation for a direct variation, first find th e co n stan t of variation k using an ordered pair, o th er th a n ...

^ i Go t I t? 3. a. W eight on th e m o o n y varies directly w ith w eight on Earth x. A person w ho w eighs 100 lb o n E arth ...

Lesso n Ch eck Do yo u k n o w H OW? Does the equation 6y = 18x rep resen t a direct variation? If it does, w hat is its co n s ...

For the data in each table, tell whether y varies directly with x. If it does, write an See Problem 4. equation for the direct v ...

iB l 43. Physics I h e force you n e e d to apply to a lever varies directly w ith th e w eight you w an t to lift. Suppose you ...

Concept Byte Use W it h Lesson 5- 3 Investigating y = mx + b Co m m o n Co r e St at e St a n d a r d s F-BF.B.3 Ident ify t he ...

Slope-lntercept Form Co m m o n Co r e St a t e St a n d a r d s F-IF.C.7a Gr ap h l i n ear an d q u ad r at i c f u n ct i o n ...

Why isn't the y -in te r c e p t 2? In slope-intercept form, the y-intercept b is added to the term mx. Instead o f subtracting ...

Pr o b l em 4 Writing an Equation From Two Points Think Can you use eith er point to find the y-intercept? Yes. You can substitu ...

How do you identify the y-intercept? The y-intercept is the y-value when x = 0. So the y-intercept is the pressure at a depth o ...

Pr act i ce an d Pr o b l em - So l v i n g Ex er ci ses Practice Find the slope and y-intercept of the graph of each equation. ...

©Apply 36. Using th e tables below, predict w h e th e r th e two graphs will intersect. Plot th e points an d sketch the lines. ...

Sailing A sailboat begins a voyage w ith 145 lb of food. The crew plans to eat a total of 15 lb of food p er day. a. W rite a n ...

Think about this situation. The graph shows th e a ltitu d e of the balloon with respect to tim e. I t doesn't show the path of ...

JbiotL-. Since you know a point and the slope, use point-slope form. IPtlS < • t How does the equation help you make a graph? ...

You can write th e eq u a tio n of a line given any two points on th e line. First use the two given points to find th e slope. ...

© sj Got It? 4. The table shows th e n u m b e r of gallons of w a te ry in a ta n k after x hours. The relationship is linear. ...

Write an equation in point-slope form of the line that passes through the given ^ See Problem 4. points. Then write the equation ...