# 4.1 Solving Quadratic Equations

Revision as of 13:18, 16 August 2020 by 218.212.131.69 (talk) (Created page with "Solve the following equations: {| class="wikitable" |- |Question 1(a) |\[x^{2}+4x-77=0\] |- |Question 1(b) |\[2y^{2}-7y-15=0\] |- |Question 1(c) |\[x^{2}+8x+3=0\] |- |Questio...")

Solve the following equations:

Question 1(a) | \[x^{2}+4x-77=0\] |

Question 1(b) | \[2y^{2}-7y-15=0\] |

Question 1(c) | \[x^{2}+8x+3=0\] |

Question 1(d) | \[5z^{2}+3z-2=0\] |

Question 1(e) | \[x^{4}-3x^{2}+1=0\] |

Question 1(f) | \[3y^{4}-2y^{2}-7=0\] |

Question 1(g) | \[x^{6}+4x^{3}+2=0\] |

Question 1(h) | \[x^{2}=1+\frac{1}{x^{2}}\] |

Question 1(i) | \[\left(2x+1\right)^{2}+3\left(2x+1\right)-9=0\] |

Question 1(j) | \[\frac{3}{y^{2}}-\frac{7}{y}+2=0\] |