1) 𝑺𝒐𝒍𝒗𝒆 (𝟐𝑿−𝟏)2= 25 a) 3 , -2 b) 1,-1 2) 𝑋2+16𝑋+64=𝟢 a) x=-7 b) x=-8 3) 𝑋2+2𝑋−8=0 a) -4,2 b) 1,-3 4) Solve the equation (𝘹−𝟣𝟢)(𝘹+𝟤𝟢)=𝟢. a) 10,-20 b) -10,20 5) What is the y-intercept of each function F(x)=0.3x2+0.6x – 0.7 a) 0.6 b) -0.7 6) Solve the system of equations a) (3,15)(-3,-15) b) (2,16)(-2,-16) 7) The 1st differences are constant. a) linear b) exponential  8) The quadratic parent function is a) f(x)= x2 b) f(x)=x 9) The 2nd difference are constant. a) linear b) quadratic 10) the ratio of consecutive y-value are constant. a) linear b) exponential

revision gr9

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