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Math MCAS Vocab
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The Number System and
Expressions and Equations
Miscellanious
100
Write this out with only numbers and symbols: "Five is greater than 3" 
5>3
100
What's the word that describes two shapes that are the same shape and size? 
Congruent
100
What is a hypotenuse? (Draw it or write it) 
The side of a triangle that's across from the right angle
100

   What is 5 (23)2    ?

320

100

What is pi- the number and the definitonw?

3.14159 Pi is the circumference of a circle divided by the circle's diameter.  
Pi is the ratio of a circle circumference to its diameter. 

200
If you're asked to find the "rate of change," what does that mean
Slope


Rise over run

Changes in x over changes in y

200
What's the word for two shapes that are the same shape but different sizes? 
Similar
200
If someone asks you to find the su, what operation should you do? 
ADD
200

What is 2 /3 (w + 3) = 7   ?

7 1/2

200


What is the slope y =5/4x-2 

the slope is 5/4

300
The place where a line crosses the y axis is called the
Y intercept
300

If a point "satisfies" an equation, what does that mean? 

The point is on the line or the point makes the equation true

300

What is the definition of slope?

Slope is a number that describes how steep a line is -as the ratio of vertical change to horizontal change ("rise over run").

300

Between which pair of numbers on a number line does square of 7 lie?  

2.3 and 2.5

300

What is the y intercept in 3/5x + 6?

The y intercept is 6.

400
What's another name for the point where two lines cross each other (intersect)?
The solution
400
If you are told to "justify" your math answer, what should you do? 
Explain why what you did was the correct thing (for example, explain why you chose a particular equation) 
400

If someone asks you to find the slope what do you do?

To find the slope, divide the vertical change by the horizontal change for any 2 points on the line -

400

What is 43 · 42     ?

45

400

A balloon is 4 ft above the ground. It is released and floats up 3 ft every second.
What would the equation to model the height of the balloon, y, as a function of time in
seconds, x be?
 

What is y=3x + 4.

500
If two lines are simultaneous, what does that mean? 
The two lines are the same
500
What's a coordinate? 
A point on a graph
500

What is a dilation?

A dilation is a transformation that can reduce or enlarge a figure

500

What is (73 )2 • 710 = 715

False   716

500

A school pays $1,825 for 150 shirts. This includes the $25 flat-rate shipping cost. What equation models the total cost as a function of the number of shirts
ordered?

What is y=12x + 25