GKT101: General Knowledge for Teachers – Math

Practice Makes Perfect

Solve Quadratic Equations Using the Quadratic Formula

In the following exercises, solve by using the Quadratic Formula.

99. $4 m^{2}+m-3=0$

101. $2 p^{2}-7 p+3=0$

103. $p^{2}+7 p+12=0$

105. $r^{2}-8 r-33=0$

107. $3 u^{2}+7 u-2=0$

109. $2 a^{2}-6 a+3=0$

111. $2 x^{2}+3 x+9=0$

113. $v(v+5)-10=0$

115. $\frac{1}{3} m^{2}+\frac{1}{12} m=\frac{1}{4}$

117. $16 c^{2}+24 c+9=0$

119. $5 m^{2}+2 m-7=0$

121. $p^{2}-6 p-27=0$

123. $4 r^{2}+3 r-5=0$

125. $2 a^{2}+12 a+5=0$

127.$\frac{3}{4} b^{2}+\frac{1}{2} b=\frac{3}{8}$

129. $2 x^{2}+12 x-3=0$

Source: Rice University, https://openstax.org/books/elementary-algebra-2e/pages/10-3-solve-quadratic-equations-using-the-quadratic-formula
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