O'Keefe, A Chapter 2 Word Scramble
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Question | Answer |
Define equation. | A mathematic statement that contains an equal sign. |
Define open sentence. | An equation that contains a variable(s). |
Name the three types of equations. | Equations are either true, false, or open. |
How do you check a solution? | A number is a solution of an equation if the number makes the equation true. |
What does the word "is" mean in equations? | The word "is" means equal to. |
Give an example of an open sentence. (Open equation) | Twenty minus x is three 20-x=3 Open |
Give an example of a true equation. | 3 plus 5 is 8 3+5=8 True |
Give an example of a false equation. | Nine times the opposite of five is forty-five 9(-5)=45 False |
Tell whether this equation is true, false, or an open sentence. | Seven less than the product of three and a number is equal to 4 ____ 3x-7=4 Open |
State and complete an equation and tell whether it is true, false, or an open sentence. | -6k+8=3 -6(-4)+8=3 24+8=3 32=3 False |
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