Find a Value of Y Such That the Triangle with the Given

question 40

Multiple Choice

Find a value of y such that the triangle with the given vertices has an area of 40 square units. ​
​(7,0) ,​(7,-5) ,​(-9,y)
​

• A)​y = -9 or y = -10
• B)​​y = 7 or y = -3
• C)​y = 9 or y = 0
• D)​y = 8 or y = 3
• E)​y = 10 or y = 8