Question: Need help 7. y = x2+ 2x +4 78. g(x) = 2x2 +5x +2 79. y = -3x2 +11x +4 Find the x-intercepts, direction of

Need help

7. y = x2+ 2x +4 78. g(x) = 2x2 +5x +2 79. y = -3x2 +11x +4 Find the x-intercepts, direction of openness, and axis of symmetry for each of the following. 80. y = -(x+2)(x-2) 81. y = 2(x - 4)(x - 8) 82. y = = (x+ 3) (x - 7) 83. y = -2(x + 4)2 84. y = -= (x+ 7)(x -1) 85. y = 3(x + 4)(x+9) 86. y = = (x -4)(x-1) 87. y = -4(x - 3)(x+ 10) Convert the following equations to intercept form. If it is not possible, write "Not factorable" 88. y = x2 - 8x + 12 89. y = -(x+ 7)2+1 90. y = 2x2 - 50 91. y = -3(x-5)2+27 Progressive Mathematics Initiative@ (PMI@) Quadratic Functions Algebra II All Rights Reserved

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