2 Aim #46: How do we factor quadratic trinomials in the form ax + bx + c when a = 1? Homework: Handout 2 Do Now: Factor: 1) 25x - 30x + 9 4 2 4 2) x - 169y Multiply the following binomials. Write your answers in standard form . 1) (x + 1)(x - 7) 2) (x + 9)(x + 2) 3) (x - 5)(x - 3) 4) (x + 5 3 15 2 6 3) 4x + 36x )(x - 1) 5) (x - 4 )(x - 4 ) 6) (a + 4b)(a - 3b) 7) (y - 5z)(y + z) 8) (x + 7)(x - 9) 9) (x - 7y)(x + 12y) 10) (c + 18d)(c - 2 3 d) Now, FACTOR the following quadratic expressions. Check your results by multiplying to see if the product is the original quadratic expression. 2 2) m + m - 90 2 4) x + 3x - 4 2 6) x + 11x - 42 2 8) x + 7x - 18 1) x + 8x + 7 3) k - 13k + 40 5) x - 2x - 8 7) x - 5x + 6 2 2 2 2 2 10) y – 10y + 9 2 12) -100 + 99v + v 9) x - 15x + 50 11) c – 11c + 24 2 2 2 13) x + 6xy + 8y 2 2 14) m + 7mn + 12n 2 15) a + 11ab - 26b 2 2 17) -35 + x + 2x 2 2 2 20) x - 4x - 21 2 21) x - 4xy - 60y 2 2 16) x - 2xy - 35y 18) 32 + 18x + x 19) x + 18x + 80 2 2 2 2 23) x + 4xy - 77y 2 2 2 2 22) c - 14cd + 24d 24) a - 15ab + 54b 2 25) Which value of b would make the expression x + bx - 36 factorable? a) 5 b) 4 c) 3 d) 2 2 26) Which value of c would NOT make x + 10x + c factorable? a) 25 b) 24 c) 21 d) 18 2 27) x - 5x - 36 2 29) x - 10x - 24 2 31) x + 8x - 20 2 33) x + 30x - 64 2 35) x - 8x - 9 2 28) x - x - 30 2 30) x - 8x + 12 2 32) x + 16x + 64 2 34) x - 14x + 45 2 36) x + 3x - 28 Attachments Sets Worksheet #2.doc Naming properties worksheet.doc
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