Lesson 24: Solving Quadratics Unit Test Algebra 1 B Unit 3: Solving Quadratics A equation can be written in the form ax2+bx+c=0
where a, b, and c are real numbers, and a is a nonzero number.
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That is number 1 there is 18! if you know them all please help!

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap