A1.REI.C Unit 5a Pre-Test

LT 1: Choose which graph displays the solution to the equations:​ y=-x+7 and y=2x+1

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CCSS.MATH.CONTENT.HSA.REI.C.6

LT.2: Select the equations that represent how to find the solution to these equations by using the substitution method: -2x+y=6 and y=x+3

​ ​ (a)   ​ (b)   ​

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CCSS.MATH.CONTENT.HSA.REI.C.5

LT 3. Set up the solution to this system of equations using the elimination method:

2x-y=1 and 5x+y=-1

​ x= ​ (a)   y=​ ​ (b)  

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CCSS.MATH.CONTENT.HSA.REI.C.5

Disney held a breakfast for parents and their children to eat with Mickey Mouse.

Adult's (x) tickets cost $17.95. Children’s (y)tickets cost $12.95.

Disney made $7,355 in ticket sales from a total of 500 people.

​ ​ (a)   Adults attended ​ ​ (b)   Children attended?

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CCSS.MATH.CONTENT.HSA.REI.C.5

LT 4. Which graph represents this linear inequality: 2x-5y<20

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CCSS.MATH.CONTENT.HSA.REI.D.12

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CCSS.MATH.CONTENT.HSA.REI.D.12

You buy flour and cornmeal in bulk to make tortillas. Flour costs $1.50 per pound and cornmeal costs $2.50 per pound. You must spend less than $25.00 but you need at least 6 pounds all together. Select two possible solutions from the drop down boxes.​

(a)   Pounds of Flour and ​ (b)   Pounds of Cornmeal

OR

​​ (c)   Pounds of Flour ​ and (d)   Pounds of Cornmeal​ ​ ​

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CCSS.MATH.CONTENT.HSA.CED.A.1

CCSS.MATH.CONTENT.HSA.CED.A.3

CCSS.MATH.CONTENT.HSA.REI.D.12